Johnson & Johnson to Seek F.D.A. Authorization for Booster Shot

The request, expected this week, comes after a study found the company’s vaccine was only 71 percent effective against hospitalization from Covid-19.

Johnson & Johnson to Seek F.D.A. Authorization for Booster Shot

The request, expected this week, comes after a study found the company’s vaccine was only 71 percent effective against hospitalization from Covid-19.

F.D.A. Panel to Weigh Pfizer Shots for Children, Boosters for Moderna and Johnson & Johnson Recipients

The timing of the meetings later this month suggests that the agency plans to move quickly to decide both issues.

Boosters for Moderna and Johnson & Johnson vaccine recipients weren’t up for debate during a C.D.C. panel.

The panel was not asked to judge whether people who received the Moderna and Johnson & Johnson vaccines should receive Pfizer-BioNTech boosters.

Moderna vs. Pfizer: Both Knockouts, but One Seems to Have the Edge

A series of studies found that the Moderna vaccine seemed to be more protective as the months passed than the Pfizer-BioNTech vaccine. Here’s why.

Pressure Grows on U.S. Companies to Share Covid Vaccine Technology

Moderna accepted $2.5 billion in taxpayer money to develop its Covid-19 vaccine. But officials in the U.S. and overseas are having trouble persuading the company to license its technology.

Covid Vaccine Prompts Strong Immune Response in Younger Children, Pfizer Says

Vaccinated kids aged 5 to 11 showed evidence of protection against the virus, the company said. The data must be reviewed by the F.D.A. before children can be inoculated.

Covid Vaccine Prompts Strong Immune Response in Younger Children, Pfizer Says

Vaccinated kids aged 5 to 11 showed evidence of protection against the virus, the company said. The data must be reviewed by the F.D.A. before children can be inoculated.

Covid Vaccine Prompts Strong Immune Response in Younger Children, Pfizer Says

Vaccinated kids aged 5 to 11 showed evidence of protection against the virus, the company said. The data must be reviewed by the F.D.A. before children can be inoculated.

F.D.A. Advisory Panel Recommends Pfizer Boosters for Older People and Others at High Risk

The committee said there was insufficient evidence to recommend third shots for all adult recipients of the vaccine, as Pfizer had requested.

U.S. Booster Policy Is in Flux as Studies Add to Dissent

A week before President Biden’s plan is to roll out, scientists are at odds about whether extra coronavirus shots are needed and for whom.

In Review, Top F.D.A. Scientists Question Imminent Need for Booster Shots

An article, written with other vaccine experts, put the regulators at odds with key federal health officials, including Dr. Anthony S. Fauci.

Opinion | Do We Need Booster Shots More than the World Needs Vaccines?

As rich countries ponder the marginal utility of third doses, billions of people around the world are still waiting for their first.

Health Officials Advise White House to Scale Back Booster Plan for Now

Federal regulators warned on Thursday they may not have enough data to recommend boosters for anyone except certain recipients of the Pfizer vaccine by late September.

Health Officials Advise White House to Scale Back Booster Plan for Now

Federal regulators warned on Thursday they may not have enough data to recommend boosters for anyone except certain recipients of the Pfizer vaccine by late September.

Wall Street Sees Nothing but Good News, Even When It’s Bad

With expectations that interest rates will stay down and government spending will stay up, the stock market has learned to live with the pandemic, even as cases increase.

Biden Floats Faster Access to Booster Shots Amid Spread of Variant

The White House played down the president’s remarks, saying the administration had not changed its original proposal to administer a third shot to most vaccinated adults eight months after the second.

Biden Falls Short on Pledge for U.S. to Be the World’s Vaccine ‘Arsenal,’ Experts Say

Congress appropriated $16 billion to ramp up Covid-19 countermeasures, but a new report found that the Biden administration had spent very little of it on expanding vaccine manufacturing capacity.

Pfizer and BioNTech say a third shot boosts antibodies against the virus.

The companies said they will submit their data by the end of the week and ask the F.D.A. to approve a third shot.