1918 influenza, a puzzle with missing pieces.
David M
DM
Morens
Jeffery K
JK
Taubenberger
D000818:Animals; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000266:history*; D058873:Pandemics / Q000266:history*