National immunisation day.
D000293:Adolescent; D000349:Africa; D017954:Africa South of the Sahara; D000351:Africa, Eastern; D000367:Age Factors; D002648:Child; D003695:Delivery of Health Care; D003710:Demography; D003906:Developing Countries; D004194:Disease; D006262:Health; D006285:Health Planning; D006296:Health Services; D006301:Health Services Needs and Demand; D007114:Immunization; D009934:Organization and Administration; D011051:Poliomyelitis; D011153:Population; D011154:Population Characteristics; D011320:Primary Health Care; D012034:Refrigeration; D012106:Research; D014777:Virus Diseases; D015024:Zambia
Africa; Africa South Of The Sahara; Age Factors; Child; Cold Chain; Delivery Of Health Care; Demographic Factors; Developing Countries; Diseases; Eastern Africa; English Speaking Africa; Health; Health Services; Immunization; Organization And Administration; Poliomyelitis--prevention and control; Population; Population Characteristics; Primary Health Care; Program Design; Programs; Summary Report; Target Population; Viral Diseases; World; Youth; Zambia