1920s Immunization
1957 Asian Flu Pandemic
1963 Polio Campaign
2009 H1N1 'Swine flu'
Abraham Lincoln
ACAM2000 vaccine
Account of Variolation
Adenovirus 3, 4, 7 Vaccine
Adenovirus 3, 4, 7 Vaccine II
Albert Calmette
Albert Sabin
Alexander's Smallpox Vaccine Virus
Alexandre Besredka
Ali Maow Maalin
Andrew Jackson
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