Scientific understanding of the coronavirus variant is changing quickly. Here’s a recap of the most important findings.
Tag: Immune System
Germany Will Offer Vaccine Booster Shots Starting in September
In rich countries, the momentum is growing for giving additional doses to the fully vaccinated, though many experts say the focus should be on getting first doses to people around the world.
J.&J. Vaccine May Be Less Effective Against Delta, Study Suggests
Many who received the shot may need to consider boosters, the authors said. But federal health officials do not recommend second doses.
Covid Is Especially Risky for People With H.I.V., Large Study Finds
An H.I.V. infection increases the odds of dying from Covid-19 by at least 30 percent, researchers said.
Covid-19 Delta Variant Widens Gulf Between Vaccinated and Unvaccinated
Data from overseas, particularly Britain, suggest the spread of the virus will set vaccinated and unvaccinated communities on very different paths.
Israel Details Administering 3rd Shot for Immunocomprised People
The health ministry cited the rising infection rate as well as growing evidence that such people do not develop sufficient antibodies after two doses.
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.
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.
Three Studies, One Result: Coronavirus Vaccines Point the Way Out of the Pandemic
New scientific research underscores the effectiveness of vaccines and their versatility in the fight against the coronavirus.