Widespread flu in United States exposes shortage of vaccine.
Charatan
Fred
F
D004196:Disease Outbreaks; D006801:Humans; D007252:Influenza Vaccines / Q000600:supply & distribution*; D007251:Influenza, Human / Q000453:epidemiology* / Q000517:prevention & control; D014481:United States / Q000453:epidemiology
D007252:Influenza Vaccines