The Latest on the coronavirus pandemic. COVID-19 causes mild or moderate symptoms for most people. For some, especially older adults and people with existing health problems, it can cause more severe illness or death.
___ BEIJING — The central Chinese city of Wuhan has tested nearly every one of its 11 million people for the coronavirus in a mass effort that resulted in the isolation of 300 people, authorities said Wednesday.
The pandemic is believed to have originated last year in the industrial city that went under lockdown for 76 days to try to stop the outbreak.
Wuhan still accounts for the bulk of China's 83,021 cases and 4,634 deaths from the disease. The testing effort carried out in the second half of May targeted every resident