Some experts have questioned the need for the tests, saying that nasal and throat swabs are still the most effective because the coronavirus is contracted through the respiratory tract.

How one emergency department doctor shifted her views.

The female heroes of Myanmar’s protests.

Beijing’s goal bodes well for the global economy, suggesting that China is willing to free up money to keep its engine humming.

But decisions come more quickly than they did in the Obama administration, when Mr. Biden, as vice president, complained about the endless meetings.

An inspector general’s report provided new details of how ethics lawyers at the Transportation Department raised flags starting in 2017 about efforts to promote her family and its shipping business.

Those who still suspect the outbreak in China may have been caused by a lab leak or accident are pressing for an independent investigation.

Ivermectin, a drug typically used to treat parasitic worms, has been prescribed widely during the coronavirus pandemic, but rigorous data has been lacking.

A governor eases some restrictions but makes a pointed distinction: “This is not Texas, this is not Mississippi — this is Connecticut.”

Some scientists are calling for an investigation independent of that under way by a team of scientists and the World Health Organization into the source of the novel coronavirus outbreak in China.