Scientists say high rates of viral spread in a partially immunized population could encourage mutations that make the coronavirus harder to contain.
The U.K. government granted emergency use authorization to the COVID-19 vaccine being developed by Pfizer Inc. and German partner BioNTech SE with some...
While the U.S. and Europe await the results of large-scale clinical trials before deploying coronavirus vaccines, some other nations are moving much faster with emergency-use rollouts of experimental Chinese and Russian candidates.
AstraZeneca said it paused clinical trials of an experimental Covid-19 vaccine after a participant in a U.K. study had an unexplained illness.
Moderna said its experimental coronavirus vaccine induced immune responses in people aged 56 years and older that were comparable to those seen in younger adults in a small study.
‘You must never abandon the public-health approach,’ Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, told a live...
Trial vaccine elicits ‘robust’ immune-system response in larger group of people, Moderna said.
U.S. stock futures surged on Tuesday, with investors set to return from the long Memorial Day weekend. News that human trials have begun for a potential...
The British pharmaceutical giant has agreed to manufacture and distribute an experimental vaccine from the University of Oxford—one of the most advanced candidates—in a partnership aimed at accelerating the widespread availability of the shot if it proves effective.
The new coronavirus and the seasonal flu are both contagious respiratory diseases with similar symptoms, but so far the new malady appears to be deadlier.