Influenza A Virus Subtype H2N2
H2N2 is a subtype of the type influenzavirus A. H2N2 has mutated into various strains including the Asian flu strain (now extinct in the wild), H3N2, and various strains found in birds. It is also suspected of causing a human pandemic in 1889. The geographic spreading of the 1889 Russian flu have been studied and published.
Read more about Influenza A Virus Subtype H2N2: Russian Flu, Asian Flu, Test Kits
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“Think of the earth as a living organism that is being attacked by billions of bacteria whose numbers double every forty years. Either the host dies, or the virus dies, or both die.”
—Gore Vidal (b. 1925)