Impact of vaccines universally recommended for children--United States, 1990-1999.
D002648:Child; D003141:Communicable Diseases / Q000453:epidemiology*; D005544:Forecasting; D006291:Health Policy / Q000639:trends*; D006801:Humans; D015994:Incidence; D008009:Licensure, Pharmacy / Q000639:trends; D009017:Morbidity; D011159:Population Surveillance; D015397:Program Evaluation; D014481:United States / Q000453:epidemiology; D014611:Vaccination / Q000331:legislation & jurisprudence / Q000639:trends*