As coronavirus infections rise in some parts of the world, experts are watching for a potential new COVID-19 surge in the U.S. and wondering how long it.
As coronavirus infections rise in some parts of the world, experts are watching for a potential new COVID-19 surge in the U.S. and wondering how long it.
Researchers say the U.S. could have problems detecting the next COVID surge, despite the growth in testing capabilities during the last two years of the pandemic.