A healthcare professional may be able to test for COVID-19, the flu and RSV at the same visit. Abbott offers several diagnostic tools to aid in fast, reliable respiratory virus testing. From our ID-NOW™ rapid system to the Alinity m Resp-4-Plex to the Panbio COVID-19/Flu A&B Rapid Panel test*, we are equipping clinicians with tools to ...fever* or feeling feverish/chills. cough. sore throat. runny or stuffy nose. muscle or body aches. headaches. fatigue (tiredness) some people may have vomiting and diarrhea, though this is more common in children than adults. *It’s important to note that not everyone with flu will have a fever.Full genome sequencing can reveal the approximately 13,500-letter sequence of all the genes of the influenza virus’ genome. The two influenza types (A and B) that cause seasonal epidemics have eight RNA gene segments. These genes contain instructions for making new viruses and play an important role in how influenza viruses cause infection.Influenza types A and B. These 2 types of viruses cause widespread illness (epidemics) almost every winter. They often lead to more people needing to go to the hospital, and more people dying from the flu. Public health officials focus on stopping the spread of types A and B. One of the reasons the flu remains a problem is because the viruses ... (SARS-CoV-2) (Coronavirus disease [COVID-19]), influenza virus types A and B, and respiratory syncytial virus, multiplex amplified probe technique Influenza/RSV and COVID-19 0240U Infectious disease (viral respiratory tract infection), pathogen-specific RNA, 3 targets (severe acute respiratory syndrome coronavirus 2 [SARS-CoV-2], influenza A ... The flu is an infection of the nose, throat, and lungs. It spreads easily from person to person. This article discusses influenza types A and B. A type of influenza A infection due to the H1N1 influenza strain is commonly called the swine flu. Alternative Names Nationally, flu activity during the 2021-2022 season began to increase in November and remained elevated until mid-June with two different waves of influenza A (H3N2) virus activity occurring; the first peaked in late December 2021, and the second in April 2022. Prior to the emergence of SARS-CoV-2, flu activity would most commonly begin to ...Viral transport medium acceptable for collection of influenza specimens in 1 mL or 3 mL volumes can be used to transport swabs for COVID-19 testing. For swabs in saline: OP, NP or anterior nasal swabs may be placed in 1 to 3 mL of sterile saline (0.85 to 0.9%) in a sterile screw cap container.The last time the state saw a significant wave of influenza B was in 2019, when 12,950 cases of influenza B were recorded. In 2020, 720 notifications of influenza B were made. There were 57 in ...Flu viruses are of four main types: A, B, C and D. Human influenza type A and B viruses are mainly responsible for the “flu season,” or seasonal influenza epidemics almost every winter in the United States. Type A influenza: This is the cause of most flu cases. It is the only influenza virus causing flu pandemics (a large number of flu ...May 18, 2021 · H1N1 flu is a subtype of influenza A. Subtypes of influenza A are categorized based on two proteins on the surface of the virus, hemagglutinin (H) and neuraminidase (N). There are many H and N subtypes, and each one is numbered. All H and N flu subtypes are influenza A viruses. Each influenza subtype has many different strains of influenza virus. Overview. Influenza virus testing is not required to make a clinical diagnosis of influenza in outpatients with suspected influenza, particularly during increased influenza activity when seasonal influenza A and B viruses are circulating in the local community. However, influenza virus testing can inform clinical management when the results may ... fever* or feeling feverish/chills. cough. sore throat. runny or stuffy nose. muscle or body aches. headaches. fatigue (tiredness) some people may have vomiting and diarrhea, though this is more common in children than adults. *It’s important to note that not everyone with flu will have a fever.Influenza B almost exclusively infects humans and is less common than influenza A. Flu type B also mutates about two to three times more slowly than influenza A. Because humans are the natural host of influenza B, pandemics generally do not occur with influenza B viruses. 22. Although scientists can classify and monitor the different types of ...Similarities: Both COVID-19 and flu can have varying degrees of symptoms, ranging from no symptoms (asymptomatic) to severe symptoms. Common symptoms that COVID-19 and flu share include: Fever or feeling feverish/having chills. Cough. Shortness of breath or difficulty breathing.The Flu SC2 Multiplex Assay and similar panels identify co-infections or alternative causes of influenza-like and COVID-19–like illnesses. The Flu SC2 Multiplex Assay can enable collection of critical data on influenza A and B viruses and SARS-CoV-2, as well as the prevalence of co-infection among these respiratory viruses.Flu viruses are of four main types: A, B, C and D. Human influenza type A and B viruses are mainly responsible for the “flu season,” or seasonal influenza epidemics almost every winter in the United States. Type A influenza: This is the cause of most flu cases. It is the only influenza virus causing flu pandemics (a large number of flu ... Understanding the Different Types of Flu. Influenza is a respiratory infection caused by one of four different virus types: A, B, C, and D. Influenza is common worldwide, but only influenza types A and B cause seasonal epidemics. Influenza epidemics sometimes become pandemics, causing mass outbreaks of illness in humans around the world in a ...Influenza A is the most common type of influenza virus that causes the seasonal flu. Influenza A viruses are classified by subtypes based on surface proteins hemagglutinin (H) and neuraminidase (N). The viruses are named for the combination of proteins, such as A (H1N1) or A (H3N2). Influenza B.For Influenza, the test demonstrated a positive percent agreement of 83.3% (Flu A) and 80% (Flu B) and a negative percent agreement of 97.5% (Flu A) and 95.3% (Flu B) versus RT-PCR, based on ...The fastest molecular flu test just got faster and even better. Now with early detection and positive results in as few as 5 minutes, allowing you to make effective clinical decisions sooner. Abbott ID NOW is a rapid, instrument-based system for the qualitative detection of infectious diseases using isothermal nucleic acid amplification technology.Doctors & departments Overview Flu (influenza) is an infection of the nose, throat and lungs, which are part of the respiratory system. Influenza is commonly called the flu, but it's not the same as stomach "flu" viruses that cause diarrhea and vomiting. Most people with the flu get better on their own.Different types of COVID-19 and flu test kits use different testing methodologies. They can either be antigen-based or use molecular techniques. Diagnostic tests for viral antigens or RNA indicate a current infection. Antigen Tests. Antigen assays typically detect nucleocapsid proteins from a virus like SARS-CoV-2 or Flu A+B.H1N1 flu is a subtype of influenza A. Subtypes of influenza A are categorized based on two proteins on the surface of the virus, hemagglutinin (H) and neuraminidase (N). There are many H and N subtypes, and each one is numbered. All H and N flu subtypes are influenza A viruses. Each influenza subtype has many different strains of influenza virus.Nov 14, 2022 · The CDC Influenza SARS-CoV-2 (Flu SC2) Multiplex Assay is a real-time reverse-transcription polymerase chain reaction (rRT-PCR) laboratory test that can simultaneously detect and differentiate between influenza A, influenza B, and SARS-CoV-2 in upper or lower respiratory specimens. The test is a highly accurate, nucleic acid-based diagnostic ... Based on NCHS mortality surveillance data available on August 31, 2023, 6.5% of the deaths that occurred during the week ending August 26, 2023 (week 34), were due to pneumonia, influenza, and/or COVID-19 (PIC). This percentage is above the epidemic threshold of 5.5% for this week.serious flu complications. There are two main types of . influenza viruses: types A and B. Both type A and B . influenza viruses regularly spread in people, and are . responsible for seasonal flu ... Interference was observed for flu A, flu B, RSV, and SARS-CoV-2 when evaluated with high concentrations of Pneumocystis jirovecii (PJP). There is a risk of false negative for flu A, B, RSV, and SARS-CoV-2 results under certain co-infection circumstances with Pneumocystis jirovecii (PJP). The Alinity m Resp-4-Plex assay was validated with ...Influenza epidemics, also known as seasonal flu, occur annually and are the most common emerging infection among humans. These epidemics have major medical impacts, but they are generally not fatal except in certain groups such as the elderly. Pandemics, on the other hand, happen once every few decades on average.Oct 9, 2020 · Influenza outbreaks are seen every year during the colder months of the year. Until now, four influenza pandemics have been reported, including the H1N1 (1918), the H2N2 (1957), the H3N2 (1967) and the H1N1 pandemic in 2009. 1 In addition, seasonal flu is reporting in different countries every year. Influenza mortality is associated with age ... Influenza B almost exclusively infects humans and is less common than influenza A. Flu type B also mutates about two to three times more slowly than influenza A. Because humans are the natural host of influenza B, pandemics generally do not occur with influenza B viruses. 22. Although scientists can classify and monitor the different types of ...LP248181-2 Influenza virus A & B & Respiratory syncytial virus RNA panel Influenza viruses A and B are single-stranded RNA enveloped viruses belonging to the Orthomyxoviridae family. The symptoms of infection of Influenza A and B include fever, cough, sore throat, rhinorrhea, nasal congestion, headache, myalgia and malaise.Yes, for some people. There are three flu vaccines that are preferentially recommended for people 65 years and older. These are Fluzone High-Dose Quadrivalent vaccine, Flublok Quadrivalent recombinant flu vaccine and Fluad Quadrivalent adjuvanted flu vaccine . This recommendation was based on a review of available studies which suggests that ... Influenza A and B: None: None: NPS in VTM: 3.5 hr: Moderate: Luminex: Verigene Respiratory Virus Nucleic Acid Test Plus: Verigene SP: Influenza A and B: H1, H1pdm09, H3: Respiratory Syncytial Virus (A, B) NPS in VTM: 3.5 hr: Moderate: Luminex: Verigene RP Flex: VERIGENE Reader VERIGENE Processor SP: Influenza A and B: H1/H1pdm09, H3 Performance characteristics for influenza A and B were established during February through March 2011 when influenza viruses A/California/7/2009 (2009 H1N1), A/Perth/16/2009 (H3N2), and B/Brisbane/60/2008 (Victoria-Like) were the predominant influenza viruses in circulation according to the Morbidity and Mortality Weekly Flu viruses are of four main types: A, B, C and D. Human influenza type A and B viruses are mainly responsible for the “flu season,” or seasonal influenza epidemics almost every winter in the United States. Type A influenza: This is the cause of most flu cases. It is the only influenza virus causing flu pandemics (a large number of flu ... Influenza A viruses infect a range of mammalian (e.g. pigs and horses) and avian species, whereas type B and C infections are largely restricted to humans. Only types A and B cause human disease of any concern. All of the currently identified 16 HA and 9 NA subtypes of influenza A viruses are maintained in wild, aquatic bird populations.sneezing. sore throat. fever. headache. fatigue. chills. body aches. Sometimes, influenza A symptoms may resolve on their own. However, if symptoms persist for more than a week without improvement ...Oct 9, 2020 · Influenza outbreaks are seen every year during the colder months of the year. Until now, four influenza pandemics have been reported, including the H1N1 (1918), the H2N2 (1957), the H3N2 (1967) and the H1N1 pandemic in 2009. 1 In addition, seasonal flu is reporting in different countries every year. Influenza mortality is associated with age ... Mar 26, 2018 · Influenza — commonly known as the flu — is a respiratory infection caused by flu viruses. There are three main types of influenza: A, B, and C. Types A and B are similar, but influenza B can ... Sep 28, 2022 · Similarities: Both COVID-19 and flu can have varying degrees of symptoms, ranging from no symptoms (asymptomatic) to severe symptoms. Common symptoms that COVID-19 and flu share include: Fever or feeling feverish/having chills. Cough. Shortness of breath or difficulty breathing. Oct 3, 2022 · fever* or feeling feverish/chills. cough. sore throat. runny or stuffy nose. muscle or body aches. headaches. fatigue (tiredness) some people may have vomiting and diarrhea, though this is more common in children than adults. *It’s important to note that not everyone with flu will have a fever. Rapid influenza diagnostic tests (RIDTs) detect influenza viral antigens in respiratory tract specimens. Available RIDTS detect and differentiate between type influenza A and B viruses, but do not specifically identify or differentiate subtypes of influenza A viruses. RIDTs are not recommended for use in hospitalized patients with suspected ...Influenza types A and B. These 2 types of viruses cause widespread illness (epidemics) almost every winter. They often lead to more people needing to go to the hospital, and more people dying from the flu. Public health officials focus on stopping the spread of types A and B. One of the reasons the flu remains a problem is because the viruses ...Waner JL, Todd, SI, Shalaby H, et al. Comparison of Directigen FLU-A with viral isolation and direct immunofluorescence for the rapid detection and identification of influenza A virus. J Clin Microbiol. 1991; 29(3):479-482. 2037665 Influenza — commonly known as the flu — is a respiratory infection caused by flu viruses. There are three main types of influenza: A, B, and C. Types A and B are similar, but influenza B can ...The four types of influenza are A, B, C, and D. Types A and B are widespread during most winters in the United States. Type C is milder than types A or B and does not spread as easily. Type D ...Only type A and B cause human disease of any concern. Influenza virus is transmitted primarily by droplets or respiratory secretions of infected persons. Influenza occurs all over the world, with an annual global attack rate estimated at 5 – 10% in adults and 20 – 30% in children. Overview. Influenza virus testing is not required to make a clinical diagnosis of influenza in outpatients with suspected influenza, particularly during increased influenza activity when seasonal influenza A and B viruses are circulating in the local community. However, influenza virus testing can inform clinical management when the results may ...During the 2020-2021 flu season, there was very low circulation of seasonal flu viruses. During September 27, 2020–May 22, 2021 in the United States, 1,899 (0.2%) of 1,081,671 clinical samples tested were positive for an influenza virus (713 [37.5%] influenza A and 1,186 [62.5%] influenza B). During that same period, public health ...The influenza A and B virus genomes each comprise eight negative-sense, single-stranded viral RNA (vRNA) segments, while influenza C virus has a seven-segment genome. (See Table 1.) The eight segments of influenza A and B viruses (and the seven segments of influenza C virus) are numbered in order of decreasing length.Jan 10, 2020 · Types Symptoms Comparison Treatment Prevention Outlook There are four types of influenza virus. Influenza A is the most common, followed by influenza B. Both are highly contagious, and... Aug 15, 2022 · The flu is caused by an influenza virus. Most people get the flu when they breathe in tiny airborne droplets from the coughs or sneezes of someone who has the flu. You can also catch the flu if you touch something with the virus on it, and then touch your mouth, nose, or eyes. People often confuse colds and flu. indicate that influenza A and/or influenza B is likely, and diagnostic test results for other causes of illness (e.g., other respiratory illness) are negative.Rapid assays for the diagnosis of influenza A and B viruses in patients evaluated at a large tertiary care children's hospital during two consecutive winter seasons. J Clin Virol. 2008;41(2):143-147. Cruz AT, Demmler-Harrison GJ, Caviness AC, et al. Performance of a rapid influenza test in children during the H1N1 2009 influenza a outbreak.Rapid Molecular Assay [influenza viral RNA or nucleic acid detection] A and B. NP 5 swab, nasal swab. 15-30 minutes 6. Yes/No 6. Immunofluorescence, Direct (DFA) or Indirect (IFA) Florescent Antibody Staining [antigen detection] A and B. NP 4 swab or wash, bronchial wash, nasal or endotracheal aspirate. 1-4 hours.types of influenza viruses: A, B, and C. Type A viruses are the most prevalent and are associated with most serious epidemics. Type B viruses produce a disease that is generally milder than that caused by type A. Type C viruses have never been associated with a large epidemic of human disease. Both type A and B viruses canRapid Molecular Assay [influenza viral RNA or nucleic acid detection] A and B. NP 5 swab, nasal swab. 15-30 minutes 6. Yes/No 6. Immunofluorescence, Direct (DFA) or Indirect (IFA) Florescent Antibody Staining [antigen detection] A and B. NP 4 swab or wash, bronchial wash, nasal or endotracheal aspirate. 1-4 hours. Only type A and B cause human disease of any concern. Influenza virus is transmitted primarily by droplets or respiratory secretions of infected persons. Influenza occurs all over the world, with an annual global attack rate estimated at 5 – 10% in adults and 20 – 30% in children.Different types of COVID-19 and flu test kits use different testing methodologies. They can either be antigen-based or use molecular techniques. Diagnostic tests for viral antigens or RNA indicate a current infection. Antigen Tests. Antigen assays typically detect nucleocapsid proteins from a virus like SARS-CoV-2 or Flu A+B.The Flu SC2 Multiplex Assay and similar panels identify co-infections or alternative causes of influenza-like and COVID-19–like illnesses. The Flu SC2 Multiplex Assay can enable collection of critical data on influenza A and B viruses and SARS-CoV-2, as well as the prevalence of co-infection among these respiratory viruses.Oct 16, 2020 · This instructional video reviews the items included in the McKesson Consult® Flu Test Kit and provides an overview of step-by-step instructions for using this test kit. Flu A and B cause the same types of symptoms, so it’s impossible to tell which variety you have from symptoms alone. Flu B symptoms can range from mild to severe. They often come on quickly and last for about a week.Influenza B almost exclusively infects humans and is less common than influenza A. Flu type B also mutates about two to three times more slowly than influenza A. Because humans are the natural host of influenza B, pandemics generally do not occur with influenza B viruses. 22. Although scientists can classify and monitor the different types of ...Aug 15, 2022 · The flu is caused by an influenza virus. Most people get the flu when they breathe in tiny airborne droplets from the coughs or sneezes of someone who has the flu. You can also catch the flu if you touch something with the virus on it, and then touch your mouth, nose, or eyes. People often confuse colds and flu. Similarities: Both COVID-19 and flu can have varying degrees of symptoms, ranging from no symptoms (asymptomatic) to severe symptoms. Common symptoms that COVID-19 and flu share include: Fever or feeling feverish/having chills. Cough. Shortness of breath or difficulty breathing.Jan 10, 2020 · Types Symptoms Comparison Treatment Prevention Outlook There are four types of influenza virus. Influenza A is the most common, followed by influenza B. Both are highly contagious, and... Yes, for some people. There are three flu vaccines that are preferentially recommended for people 65 years and older. These are Fluzone High-Dose Quadrivalent vaccine, Flublok Quadrivalent recombinant flu vaccine and Fluad Quadrivalent adjuvanted flu vaccine . This recommendation was based on a review of available studies which suggests that ...The flu is caused by an influenza virus. Most people get the flu when they breathe in tiny airborne droplets from the coughs or sneezes of someone who has the flu. You can also catch the flu if you touch something with the virus on it, and then touch your mouth, nose, or eyes. People often confuse colds and flu.Rapid Molecular Assay [influenza viral RNA or nucleic acid detection] A and B. NP 5 swab, nasal swab. 15-30 minutes 6. Yes/No 6. Immunofluorescence, Direct (DFA) or Indirect (IFA) Florescent Antibody Staining [antigen detection] A and B. NP 4 swab or wash, bronchial wash, nasal or endotracheal aspirate. 1-4 hours.Influenza A viruses infect a range of mammalian (e.g. pigs and horses) and avian species, whereas type B and C infections are largely restricted to humans. Only types A and B cause human disease of any concern. All of the currently identified 16 HA and 9 NA subtypes of influenza A viruses are maintained in wild, aquatic bird populations.Influenza B almost exclusively infects humans and is less common than influenza A. Flu type B also mutates about two to three times more slowly than influenza A. Because humans are the natural host of influenza B, pandemics generally do not occur with influenza B viruses. 22. Although scientists can classify and monitor the different types of ...Mar 30, 2023 · There are four types of influenza viruses: A, B, C, and D. Influenza A and B viruses cause seasonal epidemics of disease in people (known as flu season) almost every winter in the United States. Influenza A viruses are the only influenza viruses known to cause flu pandemics (i.e., global epidemics of flu disease). *The BD Veritor™ System for Rapid Detection of SARS-CoV-2 & Flu A+B is intended for the in vitro, simultaneous qualitative detection and differentiation of SARS-CoV-2 nucleocapsid antigen and/or influenza A and B nucleoprotein antigens directly from anterior nasal swab samples taken from individuals who are suspected of a viral respiratory infection consistent with COVID-19 by a healthcare ... Jan 12, 2023 · Nationally, flu activity during the 2021-2022 season began to increase in November and remained elevated until mid-June with two different waves of influenza A (H3N2) virus activity occurring; the first peaked in late December 2021, and the second in April 2022. Prior to the emergence of SARS-CoV-2, flu activity would most commonly begin to ... Table 2: Available FDA-Cleared Rapid Influenza Diagnostic Tests (Antigen Detection Only) 1. These tests provide results in 10-15 minutes and differentiate between influenza A and B. Available FDA cleared tests as of August 2020. Oct 16, 2020 · This instructional video reviews the items included in the McKesson Consult® Flu Test Kit and provides an overview of step-by-step instructions for using this test kit. Room temperature (15°C to 30°C/59°F to 86°F) Internal controls. Positive and negative included. External controls. Positive and negative included. PPA* (versus an FDA-cleared influenza A and B molecular assay) A: 81.5%, B: 80.9%. NPA* (versus an FDA-cleared influenza A and B molecular assay) A: 97.8%, B: 99.1%.Yes, for some people. There are three flu vaccines that are preferentially recommended for people 65 years and older. These are Fluzone High-Dose Quadrivalent vaccine, Flublok Quadrivalent recombinant flu vaccine and Fluad Quadrivalent adjuvanted flu vaccine . This recommendation was based on a review of available studies which suggests that ...The assay targets the influenza A viruses (matrix gene), the influenza B viruses (matrix gene) and RSV (matrix gene). Results are reported as Detected or NOT detected and a semi-qualitative result is provided by reporting the PCR Cycle threshold (Ct) value for positive specimens. Note: Due to supply chain variables and logistical workflows to ... for influenza A and B were not re-established with the modified device and may vary from previous performance. Performance characteristics may vary against other emerging influenza viruses. If ...Flu A and B cause the same types of symptoms, so it’s impossible to tell which variety you have from symptoms alone. Flu B symptoms can range from mild to severe. They often come on quickly and last for about a week.Print. The Centers for Disease Control and Prevention (CDC) recognizes that school administrators, teachers, staff, and parents are concerned about influenza (flu), particularly its effects on children. Educators and staff can help slow the spread of respiratory illnesses, including flu. On this page, you will find information on preventing the ...During the 2020-2021 flu season, there was very low circulation of seasonal flu viruses. During September 27, 2020–May 22, 2021 in the United States, 1,899 (0.2%) of 1,081,671 clinical samples tested were positive for an influenza virus (713 [37.5%] influenza A and 1,186 [62.5%] influenza B). During that same period, public health ...Feb 2, 2023 · Influenza, known as “ the flu ,” is a highly contagious respiratory virus. It’s most common during the fall and winter months. It typically spreads through respiratory droplets when a person... Jun 28, 2018 · Abstract. Influenza is an infectious respiratory disease that, in humans, is caused by influenza A and influenza B viruses. Typically characterized by annual seasonal epidemics, sporadic pandemic ... fever* or feeling feverish/chills. cough. sore throat. runny or stuffy nose. muscle or body aches. headaches. fatigue (tiredness) some people may have vomiting and diarrhea, though this is more common in children than adults. *It’s important to note that not everyone with flu will have a fever.
Influenza A and B: None: None: NPS in VTM: 3.5 hr: Moderate: Luminex: Verigene Respiratory Virus Nucleic Acid Test Plus: Verigene SP: Influenza A and B: H1, H1pdm09, H3: Respiratory Syncytial Virus (A, B) NPS in VTM: 3.5 hr: Moderate: Luminex: Verigene RP Flex: VERIGENE Reader VERIGENE Processor SP: Influenza A and B: H1/H1pdm09, H3 . Victoriapercent27s secret exchange policy
serious flu complications. There are two main types of . influenza viruses: types A and B. Both type A and B . influenza viruses regularly spread in people, and are . responsible for seasonal flu ...Overview. Influenza virus testing is not required to make a clinical diagnosis of influenza in outpatients with suspected influenza, particularly during increased influenza activity when seasonal influenza A and B viruses are circulating in the local community. However, influenza virus testing can inform clinical management when the results may ... The assay targets the influenza A viruses (matrix gene), the influenza B viruses (matrix gene) and RSV (matrix gene). Results are reported as Detected or NOT detected and a semi-qualitative result is provided by reporting the PCR Cycle threshold (Ct) value for positive specimens. Note: Due to supply chain variables and logistical workflows to ...Jan 12, 2023 · Nationally, flu activity during the 2021-2022 season began to increase in November and remained elevated until mid-June with two different waves of influenza A (H3N2) virus activity occurring; the first peaked in late December 2021, and the second in April 2022. Prior to the emergence of SARS-CoV-2, flu activity would most commonly begin to ... Rapid Molecular Assay [influenza viral RNA or nucleic acid detection] A and B. NP 5 swab, nasal swab. 15-30 minutes 6. Yes/No 6. Immunofluorescence, Direct (DFA) or Indirect (IFA) Florescent Antibody Staining [antigen detection] A and B. NP 4 swab or wash, bronchial wash, nasal or endotracheal aspirate. 1-4 hours. Influenza (flu) is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and lungs. Some people, such as people 65 years and older, young children, and people with certain health conditions, are at higher risk of serious flu complications. There are two main types of influenza (flu) viruses: types A and B. The flu is an infection of the nose, throat, and lungs. It spreads easily from person to person. This article discusses influenza types A and B. A type of influenza A infection due to the H1N1 influenza strain is commonly called the swine flu. Alternative NamesPerformance characteristics for influenza A and B were established during February through March 2011 when influenza viruses A/California/7/2009 (2009 H1N1), A/Perth/16/2009 (H3N2), and B/Brisbane/60/2008 (Victoria-Like) were the predominant influenza viruses in circulation according to the Morbidity and Mortality WeeklyLP248181-2 Influenza virus A & B & Respiratory syncytial virus RNA panel Influenza viruses A and B are single-stranded RNA enveloped viruses belonging to the Orthomyxoviridae family. The symptoms of infection of Influenza A and B include fever, cough, sore throat, rhinorrhea, nasal congestion, headache, myalgia and malaise. Influenza virus from the family Orthomyxoviridae are enveloped negative-strand RNA viruses with segmented genomes containing seven to eight gene segments. Of the five genera in the family, only influenza A virus (IAV), influenza B and C viruses are medically relevant to humans. Influenza A and B viruses have a similar structure whereby these ...Rapid influenza diagnostic tests (RIDTs) detect influenza viral antigens in respiratory tract specimens. Available RIDTS detect and differentiate between type influenza A and B viruses, but do not specifically identify or differentiate subtypes of influenza A viruses. RIDTs are not recommended for use in hospitalized patients with suspected ... Oct 15, 2019 · The four types of influenza are A, B, C, and D. Types A and B are widespread during most winters in the United States. Type C is milder than types A or B and does not spread as easily. Type D ... The influenza A and B virus genomes each comprise eight negative-sense, single-stranded viral RNA (vRNA) segments, while influenza C virus has a seven-segment genome. (See Table 1.) The eight segments of influenza A and B viruses (and the seven segments of influenza C virus) are numbered in order of decreasing length.Room temperature (15°C to 30°C/59°F to 86°F) Internal controls. Positive and negative included. External controls. Positive and negative included. PPA* (versus an FDA-cleared influenza A and B molecular assay) A: 81.5%, B: 80.9%. NPA* (versus an FDA-cleared influenza A and B molecular assay) A: 97.8%, B: 99.1%. Influenza virus from the family Orthomyxoviridae are enveloped negative-strand RNA viruses with segmented genomes containing seven to eight gene segments. Of the five genera in the family, only influenza A virus (IAV), influenza B and C viruses are medically relevant to humans. Influenza A and B viruses have a similar structure whereby these ....