Inside the Biden Administration’s Scramble to Share Vaccine With the World

A shipment to Pakistan was part of a new phase of the administration’s pandemic response: a round-the-clock effort to clear regulatory and logistical hurdles to share doses with countries in need.

Supreme Court Rejects Request to Lift Federal Ban on Evictions

The C.D.C. had imposed an eviction moratorium, saying it was needed to address the coronavirus pandemic.

Biden Officials Consider Phasing Out Rule That Blocked Migrants During Pandemic

Among the plans under consideration is whether to give migrant families a chance to apply for protections, and to possibly lifting the public health rule for single adults this summer.

10 Million Data Requests: How Our Covid Team Tracked the Pandemic

The project began 18 months ago as a simple concept: Count every known U.S. case at the time. When the virus grew exponentially, so did the efforts to document it.

Heart Problems After Vaccination Are Very Rare, Federal Researchers Say

More than 1,200 cases have been reported, mostly mild and more often in young men and boys. The benefits of vaccination still far outweigh the risks, experts said.

You’re Vaccinated for Covid-19, and You Just Tested Positive. Now What?

Although the risk of vaccinated people becoming infected with the coronavirus is low, it can still happen, the C.D.C. says. Here’s what you need to know.

The Delta Variant: What Scientists Know

The variant is spreading rapidly worldwide and fueling new outbreaks in the U.S., mainly among the unvaccinated.

White House Says It Will Narrowly Miss July 4 Vaccination Goal

People ages 18 to 26 have been slow to get their shots, aides to President Biden said, ruling out the possibility of getting 70 percent of adults at least partly vaccinated by Independence Day.

What Are the Roadblocks to a ‘Vaccine Passport’?

Creating a digital certificate of vaccination against the coronavirus is one of the hottest debates right now. What’s keeping it from happening, and why are some people opposed?

Five Things to Know if You’re Road-Tripping This Summer

Plan for more traffic and fewer rental cars, and please buy a USB car charger for your phone.

Covid Proved the C.D.C. Is Broken. Can It Be Fixed?

The pandemic revealed the glaring weaknesses of the world’s premier public health agency — and just how much work it would take to reform it.

Traveling This Summer? Here’s What You Should Know About the Delta Variant.

It’s the most contagious form of the coronavirus so far. Here’s what you need to know before traveling.

Judge Blocks C.D.C. From Enforcing Virus Rules for Cruise Ships in Florida

The decision was a victory for Florida, which had argued that the rules were crippling the cruise industry and causing the state to lose hundreds of millions of dollars.

Could the U.S. Have Saved More Lives? 5 Alternate Scenarios for the Vaccine Rollout

About 100,000 people have died of Covid in the United States since February, after vaccine distribution was well underway.

What You Need to Know About Your Vaccine Card

For now, the best way to show that you’ve been inoculated against the coronavirus is a simple card. Here, your key questions are answered.

U.S. to Ban Dogs From Over 100 Countries Amid Concern Over Spread of Rabies

The countries targeted by the ban, which will take effect on July 14, include the Dominican Republic, Colombia, Cuba, China, Russia and Ukraine.

What the C.E.O. of Pfizer and Other Covid-19 Fighters Learned From Their Parents

Various people working to stop the pandemic reflected on the life skills their parents taught them: determination, teamwork, resilience and more.

The Ship Finally Sailed

A reporter took the first cruise from a North American port since the pandemic began. Here’s what she learned about how Covid has changed cruising.

The C.D.C.’s New Leader Follows the Science. Is That Enough?

By all accounts, Dr. Rochelle Walensky is a fierce advocate and an empathetic scientist. But C.D.C. advice must be better attuned to the real world, critics say.

Opinion | What I Learned in 33 Years at the C.D.C.

A retirement message from Dr. Anne Schuchat to the American people.