Hepatitis B vaccination in the Columbian Amazon : effectiveness and factors influencing vaccine coverage
A vaccination coverage survey was carried out in the Colombian Amazon, a former high endemic area for hepatitis B, involving 3573 children less than II years old. It was carried out in Leticia, Puerto Narifio, and Araracuara, both urban and rural areas. Children were selected using a one stage clust...
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London School of Hygiene and Tropical Medicine (University of London)
2003
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| Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.397229 |