CNN CNN Newsroom With Poppy Harlow and Jim Sciutto January 25, 2022 14:24:00
Let's take a look at what they're doing in this clinical trial. they say they're going to have up to 1420 participants and they'll divide them up into groups. so group one has already had two doses of pfizer. just in their regular life, not as part of the trial. and then pfizer in the trial will add one or two omicron doses to see what happens. a second group, they already had three doses. so two doses, plus the booster. and the trial, they'll give them one more regular dose or an omicron dose, and then group three is a group that is completely unvaccinated, never got vaccinated during the pan...
Source: archive.org