“The United Nations says it has completed the first phase of an aggressive vaccination campaign to contain a polio outbreak in Kenya’s largest refugee camp,” VOA News reports. “The U.N. High Commissioner for Refugees and the [WHO] issued a statement Friday, saying 288,000 children up to age 15 are being immunized,” the news service adds (6/1). “A four-year-old girl tested positive for polio in Kenya’s Dadaab refugee camp near the Somali border, on May 17,” Thomson Reuters Foundation writes, noting, “Four other cases have been confirmed since” (Migiro, 5/31). “The polio outbreak in Dadaab comes after a similar outbreak in Somalia, where one case has been reported in the capital, Mogadishu,” the U.N. News Centre states (5/31).