Respiratory disease: a reemphasis of influenza vaccine proihylaxis.
D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000276:immunology*; D012141:Respiratory Tract Infections / Q000706:statistics & numerical data*
D007252:Influenza Vaccines
INFLUENZA/immunology; RESPIRATORY TRACT INFECTIONS/statistics