Thick smoke pouring in from Canada’s wildfires canceled baseball games and pushed air quality in major US cities to the worst in the world.
There’s no need to pull out the candy catapult this year, but a few reasonable precautions can keep COVID-19 transmissions in check.
President Biden outlined a six-point strategy to confront the pandemic. But two public health scholars believe it would work better with help from states.
Vaccinations, masks and some distancing – along with low community transmission – can help protect students in classrooms and cafeterias.
New variants of the COVID-19 virus may be more contagious and cause more severe disease than the original. A pediatrician and infectious disease specialist explains why.
The CDC guidance applies to areas with high coronavirus transmission rates – which on the day of the announcement covered 63% of US counties.
The COVID-19 vaccines are a smash success. But that doesn't mean they keep every vaccinated person completely free of the coronavirus.
Some face masks now come with a coating of graphene, a substance that can kill microbes. Is it safe to breathe it in?
More states are adding mask mandates as COVID-19 cases soar. If you’re traveling, shopping or seeing friends and family in person, masks are a crucial protective measure.
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