Immunization coverage and risk factors for failure to immunize within the Expanded Programme on Immunization in Kenya after introduction of new Haemophilus influenzae type b and hepatitis b virus antigens

<p style="text-align:justify;"> <b>Background:</b> Kenya introduced a pentavalent vaccine including the DTP, Haemophilus influenzae type b and hepatitis b virus antigens in Nov 2001 and strengthened immunization services. We estimated immunization coverage before and aft...

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Main Authors: Ndiritu, M, Cowgill, K, Ismail, A, Chiphatsi, S, Kamau, T, Fegan, G, Feikin, DR, Newton, C, Scott, J
格式: Journal article
语言:English
出版: BioMed Central 2006