The United Kingdom has detected the first human case of influenza A(H1N2) virus. Influenza A(H1) viruses are enzootic (regularly occur in animals) in swine populations. H1N1, H1N2 and H3N2 are
The United Kingdom has detected the first human case of influenza A(H1N2) virus. Influenza A(H1) viruses are enzootic (regularly occur in animals) in swine populations. H1N1, H1N2 and H3N2 are