Joe Palca

The FDA released detailed analysis of the vaccine ahead of a Thursday meeting of a group of independent experts that will advise the agency on whether to authorize the vaccine for emergency use.

Americans are waiting for the first doses of Pfizer's coronavirus vaccine, expected to be distributed very soon. Moderna also has a vaccine waiting for federal review.

An advisory committee of independent experts met on Thursday to consider an emergency use authorization for Pfizer's COVID-19 vaccine. NPR discusses the committee's deliberations and recommendations.

The Food and Drug Administration released its analysis of the Pfizer coronavirus vaccine. An independent committee will meet with the agency Thursday to discuss emergency use of the vaccine.

The Food and Drug Administration has released detailed information about the Pfizer/BioNTech Covid-19 vaccine. The material will be evaluated later this week by an independent committee of experts.

Researchers found that a class of antibodies in a monkey's blood provides protection from COVID-19. If that hold true for humans, a blood test may predict whether a vaccine candidate is working.

After admitting the preliminary results of the clinical trial were a mistake, AstraZeneca is now facing many questions about the coronavirus vaccine it has developed with the University of Oxford.

A coronavirus vaccine by AstraZeneca and the University of Oxford is reported to be effective for the majority of people in a clinical trial. It's the third vaccine to hit this milestone.

The White House coronavirus task force briefed reporters on Thursday for the first time in months as the Centers for Disease Control and Prevention warned Americans to avoid travel.

A final analysis of Pfizer's clinical trial found its coronavirus vaccine is 95% effective. The drugmaker will now seek the Food and Drug Administration's approval for emergency use of the vaccine.

The vaccine was found to be 95% effective in an updated study analysis. Safety data required by the Food and Drug Administration showed no serious concerns, the company said.

The vaccine is nearly 95% effective in preventing illness, according to an interim analysis of a clinical test involving 30,000 people.

Cicadas can stay totally dry in the pouring rain. One researcher is trying to figure out how they do that. This finding may lead to interesting new materials for humans.

Pfizer and partner BioNTech say that their COVID-19 vaccine was 90% effective in a group of 94 volunteers. The companies say it could be submitted for FDA approval this month or next.

Pfizer's COVID-19 vaccine is the first to have data showing that it exceeded the minimum effectiveness threshold set by the Food and Drug Administration for emergency use.

An advisory committee to the Food and Drug Administration will hear the agency's plans for approving a coronavirus vaccine and provide advice for modifying them if necessary.

The British government has announced plans for a coronavirus vaccine challenge trial. Volunteers will receive an experimental vaccine and be exposed to the virus to test its efficacy.

The British government has announced plans for a coronavirus vaccine challenge trial: Volunteers will receive an experimental vaccine and then be deliberately exposed to the coronavirus.

Here's irony: tobacco plants may be key in preventing COVID-19. Two companies are using the plants to produce proteins for a vaccine. One candidate vaccine is already in a clinical trial.

Pfizer appears to have the lead in the race to develop a coronavirus vaccine. Results from its clinical trials could be out in a matter of weeks.