title: Yemen embarks on its seventh round of polio immunisations.
authors.forename: Andrew
authors.initials: A
authors.lastname: Moscrop
mesh_terms: D006801:Humans; D017589:Immunization Programs; D011051:Poliomyelitis / Q000517:prevention & control*; D023321:Poliovirus Vaccines; D015006:Yemen
chemical_list: D023321:Poliovirus Vaccines