Pfizer says omicron booster is better against new subvariants like BQ.1.1

A staff member draws up a syringe with the Comirnaty vaccine from Biontech and Pfizer adapted to the Omicron-BA.1 variant at the Mainz vaccination center. Sebastian Christoph Gollnow | dpa | Picture Alliance | Getty Images Pfizer said its omicron booster triggers a stronger immune response against a number of emerging Covid subvariants circulating the … Read more

U.S. at Covid pandemic crossroads as omicron subvariants emerge

Dr. Anthony Fauci, White House Chief Medical Advisor and Director of the NIAID, responds to questions from Sen. Rand Paul (R-KY) at a Senate Health, Education, Labor, and Pensions Committee hearing on Capitol Hill on January 11, 2022 in Washington, D.C. Greg Nash | Pool | Getty Images White House chief medical advisor Dr. Anthony … Read more

Omicron subvariants resistant to key antibody treatments are increasing

Two omicron subvariants that are resistant to key antibody treatments are on the rise in the U.S., according to data from the Centers for Disease Control and Prevention. The subvariants BQ.1 and BQ.1.1 now represent 27% of infections in the U.S., a significant jump from the week prior when they made up about 16% of … Read more

Omicron subvariants show resistance, putting some people at risk

Emerging omicron subvariants are resistant to key antibody treatments for HIV patients, kidney transplant recipients and other immunocompromised people, making them particularly vulnerable to Covid this winter, the White House warned this week. “With some of the new subvariants that are emerging, some of the main tools we’ve had to protect the immunocompromised like Evusheld … Read more

U.S. is tracking omicron subvariants but booster should protect

The U.S. is tracking several coronavirus omicron subvariants that more easily evade immunity, but the new booster shots should protect against them, a top health official said on Tuesday. Health officials are closely watching the subvariants because they render many treatments ineffective, said Dr. Ashish Jha, head of the White House Covid task force. But … Read more

FDA authorizes two COVID boosters targeted at Omicron subvariants

The U.S. Food and Drug Administration (FDA) on Wednesday authorized updated COVID-19 booster shots from Pfizer /BioNTech and Moderna that target the dominant BA.4 and BA.5 Omicron subvariants, as the government prepares for a fall vaccination campaign that could begin in a few days. Both vaccines also include the original version of the virus targeted … Read more