Is the Coronavirus Getting Better at Airborne Transmission?

The Alpha variant traveled more efficiently in small droplets, two new studies found. The Delta variant may have continued this evolution.

Opinion | Rapid Tests Are the Answer to Living With Covid-19

Americans need both vaccines and universal access to rapid tests to get back to more normalcy.

Answers to Your Questions About Covid Booster Shots

Government scientists have recommended a third dose of Covid-19 vaccine for a select group. Find out if you qualify.

They Never Could Work From Home. These Are Their Stories.

A parallel universe of millions of employees did not have the luxury of thinking about returning to the office — they never left. Six workers share their experiences.

Does My Mask Protect Me if Nobody Else Is Wearing One?

Masks work best when everyone in the room has one on, but you’ll still benefit from masking up even when those around you aren’t.

‘I Need an Army’: Across America, Schools Cram for Their Covid Tests

Some districts have established robust virus testing programs, but many others are struggling.

‘I Need an Army’: Across America, Schools Cram for Their Covid Tests

Some districts have established robust virus testing programs, but many others are struggling.

Opinion | Education Doesn’t Inoculate Us from Vaccine Hesitancy

What we learn is filtered through our identities.

C.D.C. Chief Overrules Agency Panel and Recommends Pfizer-BioNTech Boosters for Workers at Risk

In a highly unusual decision, the C.D.C. director, Rochelle Walensky, reversed a move by agency advisers and endorsed additional doses of the Pfizer-BioNTech vaccine for health care workers, teachers and other workers at risk.

Answers to Your Questions About Covid Booster Shots

Government scientists have recommended a third dose of Covid-19 vaccine for a select group. Find out if you qualify.

A Caribbean Island’s Audacious Tourism Experiment

To step onto Montserrat’s volcanic beaches, 21 travelers (so far) with an income of at least $70,000 have agreed to stay two months. The goal: to keep cash coming in, while keeping Covid away.

A Caribbean Island’s Audacious Tourism Experiment

To step onto Montserrat’s volcanic beaches, 21 travelers (so far) with an income of at least $70,000 have agreed to stay two months. The goal: to keep cash coming in, while keeping Covid away.

Is Bad Indoor Air Dulling Your Brain?

While we tend to worry about inhaling viral particles like the coronavirus, new research shows the air quality at work may have subtle effects on cognitive function.

It’s That Time of Year, Experts Warn: Get a Flu Shot

Public health experts recommend an annual flu shot, and are worried a “twindemic” with Covid-19 could further burden health care facilities this year.

6 Questions to Ask About Covid and Air Quality at Work

Ventilation improvements, adding portable air cleaners and simply opening windows can lower the risk of infection in the office.

As India’s Lethal Covid Wave Neared, Politics Overrode Science

The country’s top science agency tailored its findings to fit Prime Minister Narendra Modi’s optimistic narrative despite a looming crisis, researchers say.

What Will School Really Look Like This Fall?

Six experts on the consequences of missed learning — and what it means for this year.

You’re Not the Mean Lady at Work

Go ahead and assert boundaries with unvaccinated colleagues, impertinent clients and, yes, even Mom.

Biden’s Vaccine Push Aligns Him With a Fed-Up, Vaccinated Majority

As the president took forceful new steps to pressure Americans to get inoculated, he argued that they were urgently needed health measures. In his allies’ view, they were also good politics.

What Will School Really Look Like This Fall?

Six experts on the consequences of missed learning — and what it means for this year.