To simplify the often-confusing Covid testing process in schools, an increasing number of districts in California are turning to “pool testing” as a way to save time, reduce hassles and keep students ...

It's easy to assume that clear pool water is safe pool water, but that isn't always the case. Homeowners often rely on water testing strips and reagents, but swimming pool test kits aren't always ...

If the country wants to crank up its Covid-19 testing capacity into the millions — the range that could be required for safer reopenings of businesses and universities — experts say it’s time to ramp ...

Anthony S. Fauci, director of the National Institute of Allergy and Infectious Diseases, said Thursday in an interview with The Washington Post that health officials are having “intense discussions” ...