Vaccination rates stall. Despite pandemic, numbers similar to year ago.
Zigmond
Jessica
J
D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000517:prevention & control*; D011634:Public Health; D014481:United States; D014611:Vaccination / Q000706:statistics & numerical data*