The influenza viruses are divided into the types A, B and C and show unique variability of their surface antigens (hemagglutinin and neuraminidase). Influenza viruses of type A show the largest degree of antigenic variation which, in turn, resulted in the definition of a number of subtypes, e...
It has long been recognized that viruses classified as influenza can show a complete lack of cross-reactivity in their surface antigens. However, all viruses classified as influenza type A have cross-reacting internal components, the matrix and nucleocapsid proteins. Influenza B and C viruses are ...
B, C, and D. Only influenza A, B, and C affect humans. Flu can be mistaken for viral respiratory illnesses like the common cold and COVID because they cause similar symptoms. See a doctor if you have flu symptoms that don’t go away in a few days or get seriously ill....
When it comes tothe flu, not all types are created equal. You’ve probably heard that there are a few different types of the flu. According to the CDC, there are three types of influenza viruses: influenza A, influenza B and influenza C. Influenza A and B are the two main types that...
流行感冒 A kind of disease caused by a virus highly infectious. Influenza caused by different types of viruses, there are three known types of influenza: influenza A, B and C, which the alpha is more common. In Hong Kong are the two most common influenza A (H1N1 and H3N2)....
Influenza vaccine inactivated (IIV) contains noninfectious, suitably inactivated influenza virus types A and B subunits representing influenza strains likely to circulate in the US during the upcoming influenza season and is used to stimulate active immunity to influenza strains contained in the vaccine....
Influenza viruses (both Influenza A and Influenza B) are notorious for their seasonalities and high infectious potentials. Throughout modern history, Influenza A viruses have cast several deadly pandemics, including the historic 1918 Spanish flu (H1N1), Asian flu (H2N2), Hong Kong flu (H3N2), ...
BMC Infectious Diseases (2016) 16:6 DOI 10.1186/s12879-015-1333-x RESEARCH ARTICLE Open Access Clinical features of children hospitalized with influenza A and B infections during the 2012–2013 influenza season in Italy Livia Mancinelli1*†, Manuela Onori1†, Carlo Concato1, Roberto Sorge2...
Influenza A/B Antigen Rapid Test 本品用于定性检测鼻咽拭子样本中的甲乙流感病毒的抗原,适用于有接触史,但尚无症状和有流感疾病症状的群体,主要针对感染后症状初期(0到7天)样本筛查。 通过本品提供了初步的检测结果。阴性结果不能不排...
The overall seroresponse rate was 42% by ELISA, which was equal in adults and children. A higher percent of culture proven influenza B illnesses were febrile (64% v. 32%, p=.004). Children (1-16 yrs) had more frequent influenza B culture positive illness than adults (17% v. 6%, p...