A boda-boda, or motorcycle taxi, driver wears a makeshift mask made from a local fabric known as Kitenge as he looks for customers in the Kibera neighbourhood of Nairobi, Kenya Friday, March 20, 2020. For most people, the new coronavirus causes only mild or moderate symptoms such as fever and cough and the vast majority recover in 2-6 weeks but for some, especially older adults and people with existing health issues, the virus that causes COVID-19 can result in more severe illness, including pneumonia. (AP Photo/Patrick Ngugi)