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Countries in Africa, the Middle East and parts of Asia are counting more cases of vaccine-derived polio. Now there's a likely U.S. case. Researchers are looking for ways to stop it.
Countries in Africa, the Middle East and parts of Asia are counting more cases of vaccine-derived polio. One reason for this, say experts, is that vaccination efforts have lapsed during the pandemic.
Vaccine-derived polio is on the rise A new vaccine aims to stop the spread wbfo.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from wbfo.org Daily Mail and Mail on Sunday newspapers.
Vaccine-derived polio is on the rise A new vaccine aims to stop the spread wcsufm.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from wcsufm.org Daily Mail and Mail on Sunday newspapers.