Long-term vaccination decreasing HBV in the Gambia.
D000293:Adolescent; D000349:Africa; D017954:Africa South of the Sahara; D000354:Africa, Western; D000367:Age Factors; D002648:Child; D003695:Delivery of Health Care; D003710:Demography; D003906:Developing Countries; D004194:Disease; D005191:Family Characteristics; D005195:Family Relations; D005714:Gambia; D006262:Health; D006296:Health Services; D006505:Hepatitis; D007114:Immunization; D009679:Nuclear Family; D011153:Population; D011154:Population Characteristics; D015995:Prevalence; D011320:Primary Health Care; D012106:Research; D012107:Research Design; D014611:Vaccination; D014777:Virus Diseases
Africa; Africa South Of The Sahara; Age Factors; Child; Delivery Of Health Care; Demographic Factors; Developing Countries; Diseases; English Speaking Africa; Family And Household; Family Characteristics; Family Relationships; Gambia; Health; Health Services; Hepatitis; Immunization; Measurement; Population; Population Characteristics; Prevalence; Primary Health Care; Research Methodology; Siblings; Vaccination; Viral Diseases; Western Africa; Youth