The Latest: Czech study finds few undetected infections

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:
— Struggles in India, Brazil, US show virus fight far from won.
— Study reveals low number of undetected coronavirus infections in the Czech Republic.
— Qatar Airways to lay off workers due to the impact of the coronavirus on the aviati