What you need to know about the H1N1 vaccine.
Park
Alice
A
D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000276:immunology*; D007252:Influenza Vaccines / Q000600:supply & distribution* / Q000627:therapeutic use; D007251:Influenza, Human / Q000517:prevention & control*; D014481:United States
D007252:Influenza Vaccines