spread

CDC studies dual mask efficacy against coronavirus spread

Air purifiers can help spread COVID in confined spaces

Air purifiers can help SPREAD Covid-19 in confined spaces’

The new COVID strains are already here. It is probably too late to stop its spread.

Basic safety limits for pandemic spread in schools

City’s best health advisor supports dual masking as Coronavirus variants spread

CDC, NFL hopes that findings of what makes close contact with high risk will limit the spread of COVID-19

Almost all provinces in Pa.. Shows a significant spread of COVID-19, positive test rate decreases during the 6th week

Cats, dogs may need COVID vaccine to control spread: scientists

Anti-vaccine activists spread theories that Covid-19 shots are lethal, undermining vaccination

Israel closes its only major airport to slow down the spread of coronavirus

Chilean authorities spread false tsunami alert apologizing for causing panic