Africa Celebrates the End of the Wild Poliovirus (but Not the End of All Polio)
DAKAR, Senegal — Africa is set to announce that it has stamped out wild poliovirus after a three-decade campaign against a disease that once paralyzed 75,000 children on the continent every year. The achievement is a major step toward ridding the globe of the virus that causes the disabling — and sometimes deadly — disease…