Reuters.comVaccine-derived poliovirus detected in Burundi, CongoMar 17, 2023Alexander Winning, Alex Richardson & Bhargav AcharyaBy Alexander Winning, Alex Richardson & Bhargav Acharyamore_vert
WHO | Regional Office for AfricaBurundi declares outbreak of circulating poliovirus type 2 | WHO | Regional Office for AfricaMar 17, 2023more_vert
STATPolio cases derived from new oral vaccine reported for first timeMar 16, 2023Helen BranswellBy Helen Branswellmore_vert
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