The fourth dose of the Pfizer coronavirus vaccine increases the level of antibodies in the blood but does not seem to offer protection against infection by the coronavirus Omicron variant, preliminary results from a study on 150 healthcare workers conducted at the Sheba Medical Center have shown.

https://www.msn.com/en-ca/health/medical/covid-4th-jab-antibodies-rise-not-enough-to-prevent-omicron-infection/ar-AASRRHf?

 

SOOOO……..when does the 5th jab get announced and become mandatory??