Instead of running a coronavirus test on every specimen, a lab can combines multiple samples. If the batch is negative, then everyone is in the clear. A positive leads to a second round of testing.
(Image credit: Nati Harnik/AP)
Instead of running a coronavirus test on every specimen, a lab can combines multiple samples. If the batch is negative, then everyone is in the clear. A positive leads to a second round of testing.
(Image credit: Nati Harnik/AP)