From the Centers for Disease Control and Prevention. Influenza and pneumococcal vaccination coverage levels among persons aged > or = 65 years--United States, 1973-1993.
D000368:Aged; D001428:Bacterial Vaccines; D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000517:prevention & control; D011008:Pneumococcal Infections / Q000517:prevention & control; D022242:Pneumococcal Vaccines; D011159:Population Surveillance; D014481:United States / Q000453:epidemiology; D014611:Vaccination / Q000706:statistics & numerical data*
D001428:Bacterial Vaccines; D007252:Influenza Vaccines; D022242:Pneumococcal Vaccines