Wenjing Tao|Max Petzold|Birger C. Forsberg
Routine vaccination coverage in low- and middle-income countries: further arguments for accelerating support to child vaccination services
Karolinska Institutet|University of Gothenburg|Karolinska Institutet
background objectivethe expanded programme immunization introduced world health organization countries 1970s currently effective public health intervention still accessible study evaluates change routine vaccination coverage time based survey data compares estimations united nations childrens fund unicef designdata vaccination coverage children less 5 years age extracted demographic health surveys dhs conducted 71 low middleincome countries 19862009 overall trends vaccination coverage tuberculosis diphtheria tetanus pertussis polio measles analysed compared unicef estimatesresultsfrom 1986 2009 annual average increase vaccination coverage studied diseases ranged 153 196 units according dhs data vaccination coverage diphtheria tetanus pertussis polio measles 80 2009 nonsignificant differences coverage found dhs data unicef estimatesconclusionsthe coverage routine vaccinations low middleincome countries may lower previously reported hence important maintain increase current vaccination levels