Expanded government program for childhood immunizations begins.
Landis
N T
NT
D000293:Adolescent; D002487:Centers for Disease Control and Prevention, U.S.; D002648:Child; D002675:Child, Preschool; D006076:Government; D006801:Humans; D017589:Immunization Programs / Q000706:statistics & numerical data*; D007223:Infant; D007231:Infant, Newborn; D017149:Private Sector; D017150:Public Sector; D014481:United States; D014612:Vaccines / Q000191:economics / Q000276:immunology
D014612:Vaccines