UN health agency says no COVID-19 vaccine will be endorsed before it's safe and effective

At a press briefing on Friday, Tedros Adhanom Ghebreyesus said vaccines have been used successfully for decades, and credited them with eradicating smallpox and bringing polio to the brink of being eliminated.

FDA chief says he could approve COVID-19 vaccine before completion of Phase 3 clinical trials

Food and Drug Administration Commissioner Dr. Stephen Hahn said his agency would be willing to grant emergency use authorization for a coronavirus vaccine before clinical trials are completed.

Survey shows 1 in 5 Americans don't believe in vaccines

Roughly 20 percent of Americans say they don’t trust vaccines, according to a new study from the University of Pennsylvania.

Infectious disease experts say it may take 1 year for COVID-19 vaccine to be widely available after approval

According to a survey from InCrowd, a medical research company, a majority of infectious disease experts believed it would likely take as long as a year before a coronavirus vaccine is widely available to the public after the vaccine’s approval.

Russia approves coronavirus vaccine despite scientific skepticism

Russian President Vladimir Putin says that a coronavirus vaccine developed in his country has been cleared for use and one of his daughters has already been inoculated, even as international experts have questioned its safety.

‘The chances of it being 98% effective is not great’: Fauci says COVID-19 vaccine efficacy yet to be seen

“We don’t know yet what the efficacy might be. We don’t know if it will be 50% or 60%. I’d like it to be 75% or more,” Fauci said. “What I’m shooting for is somewhere between really good control and elimination.”

Russia's race for coronavirus vaccine raises concerns in the West

Russia is boasting that it’s about to be the first country to approve a COVID-19 vaccine, with mass vaccinations planned as early as October using shots that are yet to complete clinical trials.

Debate begins for who's first in line for COVID-19 vaccine

Traditionally, first in line for a scarce vaccine are health workers and the people most vulnerable to the targeted infection. But one doctor tossed new ideas into the mix: Consider geography and give priority to people where an outbreak is hitting hardest.

Virus vaccine put to final test in thousands of volunteers

The world's biggest COVID-19 vaccine test got underway Monday with the first of 30,000 planned volunteers.

US secures 100 million doses of Pfizer, BioNTech experimental coronavirus vaccine

The U.S. government has reached a $1.95 billion deal with Pfizer and BioNTech for 100 million doses of their experimental COVID-19 vaccine once it obtains Food and Drug Administration approval.

UK coronavirus vaccine prompts immune response in early test

Scientists at Oxford University say their experimental coronavirus vaccine has been shown in an early trial to prompt a protective immune response in hundreds of people who got the shot.

Chinese executives get 'pre-test' injections in vaccine race

Whether it’s viewed as heroic sacrifice or a violation of ethical norms, it underscores the enormous stakes as China competes with U.S. and British companies to be the first with a vaccine.