Malawi polio case raises concerns the virus could reemerge in region

A newly discovered case of wild polio in Malawi has raised the possibility that a virus that had been driven out of the African continent could again find a toehold there.
Teams of international disease investigators arrived in the East African nation over the weekend to probe how it came to have its first wild polio case in three decades and the continent’s first in five years. Read the rest…