[theold]

The neutralizing ability of even three shots of the Pfizer corona vaccine is four times less against the Omicron than the Delta variant, according to researchers at Sheba Medical Center.

The volunteers, likely hospital workers who are already part of an ongoing antibody study at the hospital, will be tested several times before and after the fourth dose. The exact number of participants is still fluid.

https://www.jpost.com/health-and-wellnes...ial-688815