#vaccine research

An extra booster dose raised antibody levels in one third of people with organ transplants, but many remain unprotected.

The protein subunit vaccine provides 100% protection against moderate or severe disease, hospitalization and death.

The protein vaccine was 96% effective against the original SARS-CoV-2 coronavirus, but less so against new variants.

Messenger RNA vaccines—also called mRNA vaccines—are some of the first COVID-19 vaccines authorized for use in the United States.

Social media posts that make misleading comparisons undermine the science behind the COVID-19 vaccine.

In the United States, an FDA expert advisory panel voted on December 10 to recommend emergency use authorization.

The vaccine from the University of Oxford and AstraZeneca uses a chimpanzee adenovirus vector.

With the first vaccines expected within weeks, a CDC advisory panel votes on how to prioritize access.

Moderna has requested emergency use authorization for its mRNA vaccine candidate.

The vaccine demonstrated 95% efficacy in an ongoing Phase III trial.

Vaccine development is proceeding at an unprecedented pace, but could still hit snags on the way to approval.

Upcoming hearing on the Pfizer/BioNTech vaccine will be livestreamed on YouTube, Facebook and Twitter.

The front-runner coronavirus vaccine appears to protect people from symptomatic disease.

FDA weighs whether to resume coronavirus vaccine trial halted due to an adverse event.

A U.K. woman developed spinal inflammation after receiving an adenovirus vector vaccine.

The World Health Organization coordinates efforts to create flu and COVID-19 vaccines and to fight other global health issues.