An H.I.V. infection increases the odds of dying from Covid-19 by at least 30 percent, researchers said.
Author: APOORVA MANDAVILLI
Citing the Delta Variant, Pfizer Will Pursue Booster Shots and a New Vaccine
Scientists were critical of the announcement, pointing to evidence that the current two-dose regimen is powerfully effective against the coronavirus.
A Closer Look at the Colon Condition That Hospitalized the Pope
Francis suffered a disorder that is relatively common and treatable, and doctors expect him to make a full recovery.
Should People With Immune Problems Get Third Vaccine Doses?
France is handing out third shots of the two-dose vaccines to cancer patients and others with immune system impairments. In the United States, patients like these are on their own.
Johnson & Johnson Vaccine Protects Against Delta Variant, Company Reports
The vaccine also produced long-lasting immune responses, researchers said. Booster shots seem unnecessary, at least for now.
Pfizer and Moderna Vaccines Likely to Produce Lasting Immunity, Study Finds
Immune cells are still organizing to fight the coronavirus months after inoculation, scientists reported.
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.
Wondering if the Covid Vaccine Worked? Get the Right Test, at the Right Time
Scientists generally recommend against antibody testing after vaccination. But for some people, it makes sense.
Wondering if the Vaccine Worked? Get the Right Test, at the Right Time
Scientists generally recommend against antibody testing after vaccination. But for some people, it makes sense.