A new diagnostic tool that plugs into a phone can test for COVID-19 in 55 minutes or less, researchers report. It can be done almost anywhere, too.

In several countries, including the US, the number of people who say they'll get a COVID-19 vaccine is falling short of the number needed for herd immunity.

You've been vaccinated; can you now safely see your friends and family? New research hints that vaccinated people may be less likely to transmit the coronavirus, but they are not 100% in the clear.

Thousands of workers at meat- and poultry-processing plants have contracted COVID-19, and hundreds have died. A legal scholar recommends ways to make their jobs safer.

New data from Addenbrooke's Hospital in Cambridge suggests that a single dose of the Pfizer BioNTech vaccine can reduce by four-fold the number of asymptomatic

Can the current crop of vaccines get us to herd immunity even if variants become widespread? A Harvard immunologist says yes.

Young adults report the least amount of concern about COVID-19. That suggests communicating risks to them would offer the biggest boost in virus reduction.

The Johnson & Johnson vaccine is different from the Moderna and Pfizer vaccines in a few important ways that could make it a huge help to global vaccination efforts.

Stress is increasing anxiety, depression, and overeating in children during the pandemic. Here's what parents can do to help them.

The Healthcare Improvement Studies (THIS) Institute has today published an ethical framework for higher education institutions considering running asymptomatic