John Nkengasong, director of the Africa Centres for Disease Control and Prevention (CDC), said 2.8 million doses of vaccine had expired on the continent, roughly 0.5% of the 572 million doses ...

A U.S. Centers for Disease Control and Prevention official, John Nkengasong ... viewed a copy of Nkengasong’s memo, which ...

John Nkengasong, Africa's Director of the Centers for Disease Control (CDC), speaks during an interview with Reuters at the African Union (AU) Headquarters in Addis Ababa, Ethiopia. [Reuters ...