Malawi launched the second of a four-round vaccination drive against wild poliovirus on April 25, targeting more than 2.9 million children under age 5. The third and fourth rounds are set for June and July, while the first took place earlier in April. Cumulatively, the campaign—which also covers Mozambique, Tanzania, Zambia, and Zimbabwe—aims to reach over 23 million children with more than 80 million doses of bOPV. WHO Malawi (1); WHO Malawi (2)