title: The role of opportunistic vaccination should not be forgotten.
authors.forename: S
authors.initials: S
authors.lastname: Tunstall-Pedoe
mesh_terms: D002648:Child; D002662:Child Health Services; D003906:Developing Countries; D006801:Humans; D017589:Immunization Programs; D007630:Kenya; D008485:Medical Audit; D014611:Vaccination / Q000706:statistics & numerical data*