Health

The US reported the most single-day Covid-19 deaths since May and experts say pandemic is accelerating

Moderna expects to know by the end of the month whether its Covid-19 vaccine works

Many military Covid-19 cases show no symptoms, new reports find

Brazil resumes CoronaVac trial after pause over 'adverse event'

Scientists cautious as Russia says early data shows Sputnik V coronavirus vaccine is 92% effective

Choosing the best mask to protect you and others, according to new CDC guidelines

'We can do this better,' say doctors critical of administration's Covid-19 antibody treatment rollout

Some hospitals are running out of health care workers. Here's what could happen next

How to overcome the trauma of a divided nation

Will college students bring Covid-19 home for Thanksgiving?