Experts are worried some Americans are letting up too early — at a critical time when looming dangers are threatening to wipe out the progress the US has made in its battle against Covid-19.

Source: US Coronavirus: A concerning variant is about to become dominant in the US, experts say, and how Americans act could help fuel or curb a surge

Back in March, the experts told us that “spring break” travel and related activities would create a surge in new cases. They were wrong.

By EdwardM