It was September 2017 at a teaching hospital in Nigeria’s southern state of Bayelsa. An 11-year-old boy came into the clinic with a fever, rash and lesions on his body.
Infectious disease scientist and Chief Medical Director Dimie Ogoina examined him. At first, doctors thought it could be chickenpox, but after hearing the boy had previously had the illness, they suspected it must be something more serious.
