John Nkengasong

John Nkengasong, MSc, PhD, is director of the Africa Centres for Disease Control and Prevention.

Articles by John Nkengasong

A COVID-19 patient on oxygen at the Andohatapenaka University Hospital in Antananarivo, Madagascar on July 20, 2020. Image: Rijasolo/AFP via Getty Images

Medical Oxygen: Key to Fighting COVID-19—and the Next Respiratory Pandemic