AstraZeneca PLC

“The current studies indicate something really good,” Ralf Reintjes, professor of epidemiology at Hamburg University of Applied Sciences, told CNBC Thursday.

European markets were little changed on Wednesday as investors continue to monitor the threat posed by the omicron Covid-19 variant.

Countries in Asia and Europe have used testing much more widely. The United Kingdom, for instance, delivers free at-home tests to people who request them.

“The reality is that omicron is probably in most countries, even if it hasn’t been detected yet,” Tedros said.

The race is on to get Covid vaccine booster shots. Here’s why they’re so important in the face of the omicron variant.

Hong Kong’s Hang Seng index led losses as tech shares dipped.

U.K. leader Boris Johnson has confirmed that at least one patient infected with the new omicron variant of Covid-19 has died in the country.

Two doses of the Oxford-AstraZeneca or Pfizer-BioNTech Covid vaccine are less effective at fighting Omicron than previous variants of the virus, scientists say.

U.S. stock futures dropped Thursday, one day after Wall Street logged a third straight positive session.

U.S. stock futures dropped Thursday, one day after Wall Street logged its third straight positive session.

These are the stocks posting the largest moves before the bell.

The strong European session comes as concerns about the potential severity of the omicron variant appear to be easing.

There’s reason to believe that current vaccines are going to be “quite effective” in combating the effects of the omicron strain, says Andy Slavitt.

The peer-reviewed phase 2 trial analyzed the safety and efficacy of seven vaccines when administered as booster shots.

Scientists claim to have discovered a “potential mechanism” that triggers blood clots in some people who receive the Oxford-AstraZeneca Covid vaccine.

Global hopes are being pinned on vaccine makers to come up with shots that work against the new strain.

“Over 99% of cases around the world are due to the delta variant and more deaths are occurring in the unvaccinated,” says WHO Chief Scientist Soumya Swaminathan.

Pfizer and BioNTech said they expect more data from lab tests in two weeks at the latest.

Elizabeth Holmes resumed testifying in her criminal fraud trial, telling jurors about Theranos’ successes with pharmaceutical companies and the military.

U.S. stock futures rose slightly after the government’s before-the-bell jobless claims data.