Read the full article on NPR. From the article: 

In fact, many African countries took action very early on. With few reported cases, countries shut down airports, closed schools and some, like Uganda and South Africa, instituted draconian lockdowns. The WHO model found that because of that many parts of Africa would be spared the virus exponential spread of the virus. The infection rate and death rate would be significantly lower than the hardest hit European and American countries have faced. Its worst case scenario predicts about 189,000 Africans will die of COVID-19 in a year.

Reference information: Peralta, E. 2020. "Why Forecasters Can't Make Up Their Mind About Africa And The Coronavirus". NPR.