A major polio vaccination campaign targeting all children under the age of five is set to begin across Harare next month following confirmation of an outbreak of circulating vaccine-derived poliovirus type 2 (cVDPV2) in neighbouring Malawi. The Ministry of Health and Child Care (MOHCC) said the first round of the nOPV2 supplementary immunisation campaign was conducted between 20 and 23 April 2026. Two additional rounds are now scheduled for 2–5 June and 7–10 July as health au