Cases in U.S.

Covid-19 has spread around the planet, sending billions of people into lockdown as health services struggle to cope. Find out where the virus has spread, and where it has been most deadly.

Cases of Covid-19 first emerged in late 2019, when a mysterious illness was reported in Wuhan, China. The cause of the disease was soon confirmed as a new kind of coronavirus, and the infection has since spread to many countries around the world and become a pandemic.