TY - RPRT TI - 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. AU - Moses Ndiritu AU - Karen D Cowgill AU - Amina Ismail AU - Salome Chiphatsi AU - Tatu Kamau AU - Gregory Fegan AU - Daniel R Feikin AU - Charles R J C Newton AU - J Anthony G Scott PY - 2006 DO - 10.1186/1471-2458-6-132 UR - https://pubmed.ncbi.nlm.nih.gov/16707013/ ID - 16707013 ER -