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.
Trial vaccine elicits ‘robust’ immune-system response in larger group of people, Moderna said.
Hope that the drug will succeed as a treatment for Covid-19 has sent Gilead stock on a wild ride.
U.S. stocks surged on Wednesday, encouraged by good news from Gilead’s potential coronavirus treatment. A controlled study found that the drug had shortened the recovery time for Covid-19 patients.