1,000
Participants
Start Date
December 27, 2021
Primary Completion Date
June 26, 2024
Study Completion Date
June 26, 2024
BNT162b2 vaccine
fourth dose of the BNT162b2 vaccine (30 microgram) adminstered IM
Sheba Medical Center, Ramat Gan
Sheba Medical Center
OTHER_GOV