Millions of people may have had coronavirus in the past without knowing it, CDC says

Millions of people may have had coronavirus in the past without knowing it, CDC says
With infection numbers rising in dozens of states, the US set a daily record for new coronavirus cases. And federal health officials warned that the number of people who've been infected is vastly undercounted.

Source: Millions of people may have had coronavirus in the past without knowing it, CDC says How Insurance Companies Work?