The Latest: Italy’s Red Cross calling for antibody tests

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 PM Johnson invites Putin to online vaccine summit.
— Spain declares 10-day mourning period for for nearly 27,000 dead.
— Britain’s medicines agency OKs use of remdesivir for COVID-19 patients.
— WHO warns that 1st