Berto Jongman: New Flu Virus Graphics & Questions

02 Infectious Disease
Berto Jongman
Berto Jongman

Avian influenza A virus H7N9…

Virology Down Under, 16 April 2013

The latest avian influenzavirus strain added to the list of agents causing “bird flu” is called avian influenza A(H7N9) virus – a colourfully exciting reference to its key surface proteins (see influenza background). H7N9 is considered a low pathogenic avian influenza virus (LPAIV)…at least in its feathered hosts. Avian influenza A(H7N9) virus (which I may shorten to H7N9 to save my fingers) was once considered a relatively rare cause of infection although how extensively and routinely it was looked for in the past is unclear. Avian influenza A(H7N9) virus is similar to its closer cousins, H7N2, H7N3 and H7N7 and its more distant cousin H5N1 in that they are all IFAVs and they usually infect birds. However, they are each quite distinct and made up of different genes

Read full article with multiple graphics and many specific questions.


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