Fauci: Three doses of Covid-19 vaccine are li...

Six cases of hantavirus have now been confirmed and two more suspected, while the ship at the center of the deadly outbreak travels to Spain’s Canary Islands. Plus, we're learning about the cyberattack on a cloud-based digital hub used by millions of students around the world and ...  Show more

We have breaking news on the deadly hantavirus outbreak on board a cruise ship. Health officials now say they are working to track more than two dozen passengers who left the vessel almost two weeks ago. Plus, Secretary of State Marco Rubio's meeting with Pope Leo, and the ongoin ...  Show more

The rise of the Delta variant has prompted a thorny question: Do we need a booster dose of the vaccine for Covid-19? Vaccine makers think so, but regulators are yet to be convinced.

Principles are also at stake: Should richer countries be talking about administering extr ...

Dr. Anthony S. Fauci, the nation’s top infectious disease expert, described the current status of the pandemic in the United States as a “mixed bag” that is leaning more toward the positive than the negative.

But, he said, there is still more work to do.

In our con ...

In the effort to raise America’s vaccination rate, some agencies and private organizations have turned to the last, and most controversial, weapon in the public health arsenal: vaccine mandates.

How have the federal government and the White House approached the issue?

On the same day the COVID-19 death toll surpassed 300,000 in the United States, the first vaccines are being administered, finally giving millions of Americans hope for a better future and a return to normalcy. We explore how officials expect to deliver a safe and effective vacci ...  Show more