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Volume 12, Number 1—January 2006

Vaccines and Antiviral Drugs in Pandemic Preparedness

Arnold S. Monto*Comments to Author 
Author affiliation: *University of Michigan School of Public Health, Ann Arbor, Michigan, USA

Main Article


Influenza A subtypes in humans

Year of recognition Old terminology Molecular antigenic terminology
1889 H2*
1902 H3*
1918 Swine influenza H1N1
1932 A0 H1N1
1947 A prime H1N1
1957 Asian H2N2
1968 Hong Kong H3N2
1976 Swine H1N1†
1977 Russian H1N1

*Unknown N subtype.
†Limited human-to-human transmission.

Main Article

Page created: February 16, 2012
Page updated: February 16, 2012
Page reviewed: February 16, 2012
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