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Child wait to receive two drops of polio vaccine on the tongue. Josephine Kamara, the UNICEF officer in charge of social mobilization for the polio vaccine, inspects a box full of polio vaccine vials held by vaccinator Sani Mohammed, at a stationary vaccine site. Polio vaccinators fan out across the Fagge Government Area, in Ward Kwciri, looking for children under the age of five on day one of the Immunization Plus Day sponsored by UNICEF around Kano, Nigeria. Left, vaccinator Bilyaminu Yakuba, keeps a running tally of those vaccinated and second from left, , vaccinator Assan Abbukar, waits to mark the fingers of children vaccinated.