NewYorkTimes

Federal officials urged states to take aggressive action to slow the spread of the virus while the president talked up nonexistent “virus-free” areas. Big retailers are mandating masks, but enforcement is an issue. View original article Contributor:

Here’s what we know: With too many variables and too few studies, schools lack the tools and data they need to strike a balance between education and health. View original article Contributor:

A national teachers’ union said teachers may strike as a “last resort” if they don’t feel safe. Pilgrims to Mecca are finding a reconfigured hajj. View original article Contributor:

This coronavirus vaccine developed by government researchers and Moderna enabled the animals to quickly clear the infection from their lungs. View original article Contributor:

Scientists say such tests could be available in a few years, speeding research for treatments and providing a diagnosis for dementia patients who want to know if they have Alzheimer’s disease. View original article Contributor:

Leaders of stricken states are considering limits on businesses. Washington lawmakers are grappling with aid levels. President Trump shared a video with misleading coronavirus claims. View original article Contributor:

Start by becoming aware of the behavior. What mood accompanies the biting? Are you more likely to chew in certain rooms? View original article Contributor:

People wearing face coverings will take in fewer coronavirus particles, evidence suggests, making disease less severe. View original article Contributor:

Dr. Deborah L. Birx, the Trump administration’s coronavirus response coordinator, urged states to close bars and ban gatherings. Vietnam will evacuate tourists after its first cases in months. View original article Contributor:

The remote Isle Royale, tucked away in the northern reaches of Lake Superior, is one of America’s least visited national parks. View original article Contributor: