CNN The Lead With Jake Tapper December 23, 2021 22:21:00
>> dr. hogue our president talked about that as well earlier this year. were looking to begin those trials in early 2022. it will take a couple months to do the trials to get some blood to see if we make antibodies. we are confident we will but need to confirm. i think it is a second quarter scale up. >> as you know both israel and germany are now taking steps to offer fourth doses of coronavirus vaccines to certain segments of the population, people 60 and older, health care workers, others wit...
Source: archive.org