Scientific Research Publishing

Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=50711#.VEmmFVfHRK0 Author(s)   Beckie Nnenna Tagbo 1,2 , Christopher Bismarck Eke 2,3* , Babatunde Ishola Omotowo 4 , Chika Nwanma Onwuasigwe 4 , Edelu Benedict Onyeka 2,3 , Ukoha Oluchi Mildred 2 Affiliation(s) 1 Institute of Child Health, University of Nigeria Teaching Hospital, Ituku-Ozalla, Nigeria . 2 Department of Paediatrics, University of Nigeria Teaching Hospital, Ituku-Ozalla, Nigeria . 3 Department of Paediatrics, College of Medicine University of Nigeria, Ituku-Ozalla, Nigeria . 4 Department of Community Medicine, University of Nigeria Teaching Hospital, Ituku-Ozalla, Nigeria . ABSTRACT Background/Objectives: Perfor...

Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=48503#.VD98U1fHRK0 Author(s)     David W. Brown , Anthony H. Burton , Griffith Feeney , Marta Gacic-Dobo Affiliation(s) United Nations Children’s Fund, New York, USA . World Health Organization, Geneva, Switzerland . Scarsdale Solutions, New York, USA . World Health Organization, Geneva, Switzerland . ABSTRACT There have been tremendous improvements in immunization coverage since the Expanded Programme on Immunization was launched. We highlight inherent challenges in measuring immunization coverage with precision as coverage levels increase due to the sensitivity of coverage to the accuracy of target population estimates. In fact, when comparing a...