Health

Open a window to reduce virus spread, CDC tells schools

Canada to receive 6.5 million Covid-19 vaccines by end of March

FDA vaccine advisers recommend authorization of Johnson & Johnson's coronavirus vaccine

Single Pfizer vaccine shot provides strong protection for those who've had Covid-19, UK studies suggest

When will the US reach herd immunity and what will it look like?

Why Americans shouldn't turn their noses up at Johnson & Johnson's vaccine

Why women should monitor blood pressure differently, according to a new study

Doomscrolling can steal hours of your time -- here's how to take it back

Another Covid-19 surge hangs in the balance. This is how experts say we keep it from becoming reality

FDA advisers to consider third possible Covid-19 vaccine Friday