Phoeswa, a South African traditional medicine pharmacist, waits for customers in the densely populated Alexandra township of Johannesburg, Monday April 6, 2020. More than half of Africa’s 54 countries have imposed lockdowns, curfews, travel bans or other restrictions to try to contain the spread of COVID-19. he new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Jerome Delay)