Coronavirus testing numbers improving but still lag

Coronavirus testing has improved significantly over the past several weeks but is still not where it needs to be as states look to reopen, health experts say.

The U.S. ran an average of 250,000 tests a day in the first week of May. The percentage of COVID-19 tests coming back positive is falling, a sign the pandemic could be slowing.

Still, testing remains limited in large parts of the country, including states that are planning to loosen social distancing restrictions. Continue reading.