A billboard is installed on an apartment building in Cape Town, South Africa, Wednesday, March 25, 2020, before the country of 57 million people, will go into a nationwide lockdown for 21 days from Thursday to fight the spread of the new 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/Nardus Engelbrecht)