COVID-19 vaccines

The omicron variant of COVID-19 appears to be more infectious than the delta variant, and the high number of mutations on omicron means that all vaccines may be less effective, Moderna’s CEO said Monday. Stephane Bancel made the comments in an interview with CNBC. “We believe this virus is highly infectious … it seems to be much more infectious than…

A new variant, named B.1.1.529, was named a “variant of concern” by the World Health Organization and given the name “omicron” from the letter in the Greek alphabet.

A federal appeals court has temporarily halted the Biden administration’s vaccine requirement for businesses with 100 or more workers

The FDA will now consider the panel’s recommendation before authorizing the Pfizer COVID-19 vaccine for children ages 5 to 11.

Parents who have questions about the COVID vaccine, this is your chance to go straight to the source: other parents whose kids were part of the vaccine trials. Next week, WNBC will feature a segment with parents that enrolled their kids in the trials, and we’re soliciting your questions. Fill out the form below, and also let us know...

Police departments that are requiring officers to be vaccinated against COVID-19 are running up against pockets of resistance across the U.S. Police unions and officers are pushing back by filing lawsuits to block the mandates.

A highly anticipated study on “mixing and matching” COVID-19 vaccines found the approach to be safe and effective, though the Moderna and Pfizer-BioNTech vaccines were found to spark a stronger immune system response than Johnson & Johnson.

Pfizer said Monday early trial results indicate its COVID-19 vaccine is safe and effective for children ages 5 to 11

Pfizer said Monday data from a new trial show its COVID-19 vaccine is safe for kids ages 5 to 11, and it will file with regulators as soon as possible for expanded approval. Pfizer said kids in the trial had a similar antibody response to young adults ages 16 to 25 in a previous study. The younger kids were given…

The panel decision undercuts President Biden’s call for all Americans to get booster shots of the COVID vaccine, but allows older Americans and other high-risk people to get a third shot. NBC New York’s Anjali Hemphill reports.

Moderna’s COVID-19 vaccine is slightly more effective than Pfizer’s or Johnson & Johnson’s in preventing hospitalization, though the gap widens substantially four months after vaccination, the CDC said Friday. The report comes just as the FDA considers whether to endorse a contentious plan to roll out booster shots for the fully vaccinated. The data, collected from nearly 3,700 people...

U.S. government advisers will debate Friday if there’s enough proof that a booster dose of Pfizer’s COVID-19 vaccine is safe and effective.

The Republican National Committee said Thursday that it plans to sue the Biden administration after the president issued two sweeping executive orders that will require COVID vaccines for as many as 100 million Americans.

The Los Angeles board of education has voted to require students 12 and older to be vaccinated against the coronavirus if they attend in-person classes in the nation’s second-largest school district.

The latest NBC News tally showed that the U.S. has recorded at least 40 million cases and over 651,000 deaths, as the fourth wave brought on by the delta variant continues to spread throughout the country.

The rate of hospitalization for COVID-19 among kids ages 0-17 rose five-fold from late June to the middle of August as the delta variant took hold in the United States, the CDC said Friday. Based on data from 14 states — including New York and Connecticut — the CDC said the COVID-associated hospitalization rate for children and adolescents the week…

The NFL has mandated that only fully vaccinated personnel — with a maximum of 50 people — will have access to locker rooms while players are present on game days

Parents in some New Jersey school districts are battling with administrators over school mask mandates. Pat Battle reports.

The FDA gave Pfizer-BioNTech’s two-dose coronavirus vaccine full approval on Monday for all Americans over the age of 16. The vaccine, which will now be marketed as Comirnaty, is the first COVID-19 vaccine to receive full approval by the agency.

A new study out of RAND and Indiana University found that 140,000 coronavirus deaths were prevented in the U.S. as a result of the early vaccination campaign. In addition to the prevention of thousands of deaths, researchers also estimate the economic impact of the vaccine program to be between $625 billion and $1.4 trillion.