Residents of the densely populated Hillbrow neighborhood of downtown Johannesburg, confined in an attempt to prevent the spread coronavirus, stand and wave from their balconies, Friday, March 27, 2020. South Africa went into a nationwide lockdown for 21 days in an effort to mitigate the spread to the coronavirus. The 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)