Tag Archives: inoculation

Russia said Thursday that its coronavirus vaccine, the first to be registered worldwide, will be tested on more than 40,000 people if it appears to increase production. The vaccine, called “Sputnik V”, has received skepticism from international observers about its potential effectiveness, in particular the rapid pace of its approval, …

Federal health officials have begun preliminary work to establish protocols for a “challenge” trial of a COVID-19 vaccine, including creating a strain of the virus that could be used. Reuters reported it on Friday. A ‘challenge test’ is a controversial idea to deliberately infect a few hundred young, healthy volunteers …