45 The Vaccine Which Was Linked to Bleeding Calf Syndrome – 3 years after Pfizer introduced its Pregsure vaccine for cattle, the horrific disease affecting calves and usually fatal, began to appear. "Alloantibodies" were transmitted via mother's colostrum to the calves (www.rayarmat.com) posted 3 years ago by clemaneuverers 3 years ago by clemaneuverers +45 / -0 6 comments share 6 comments share save hide report block hide replies
Pregsure was an "inactivated" vaccine type:
https://www.ema.europa.eu/en/medicines/veterinary/referrals/pregsure-bvd
https://en.wikipedia.org/wiki/Inactivated_vaccine
Among the current covid-19 shots available, some are also of the "inactivated" type:
BBIBP-CorV, CoronaVac, Covaxin, QazVac, TURKOVAC