Polio cases in Africa linked to new oral vaccine | Science
Last week, the Global Polio Eradication Initiative (GPEI) reported that seven children, six in the Democratic Republic of the Congo (DRC) and one in neighboring Burundi, had recently been paralyzed by poliovirus strains derived from a vaccine meant to prevent the disease. Unfortunately, such cases are so common—786 were reported last year in Africa, Yemen, and elsewhere—that these seven might not have stood out against the noise. But there was a key difference,…