The Latest: Britain OKs antibody test approved by US, EU

The Latest on the coronavirus pandemic. The new coronavirus 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.
TOP OF THE HOUR:
— British health authorities approve antibody test that shows whether people have previously been exposed to the new coronavirus.
— WHO official says reopening must be done cautiously and debate between ensuring health and reviving the econom