A/H1N1 influenza virus THE BASICS

Watts, Geoff
August 2009
BMJ: British Medical Journal (Overseas & Retired Doctors Edition;8/15/2009, Vol. 339 Issue 7717, p368
Academic Journal
The article discusses the basic science of the A/H1N1 influenza virus. The three genera of the virus include A, B, and C, which all can infect humans. The version that is currently affecting humans is properly called H1N1 2009, wherein H stands for haemagglutinin, which is the antigen used to prepare antiflu vaccines, while N stands for neuraminidase. Researchers have found in humans three combinations of haemagglutinin and neuraminidase, which include H1N1, H2N2, and H3N3. It notes the use of antiviral drugs oseltamivir (Tamiflu) and zanamivir (Relenza). The article also discusses the crossover of the flu virus from swine to humans.


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