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The development of two mRNA Covid-19 vaccines from Pfizer/BioNTech and Moderna â both of which have received FDA emergency-use authorization â is a most generous gift from Hashem. Despite the many unanswered questions, these vaccines (and potentially others) have the potential to save millions of lives worldwide.
But only if we take them. It is therefore critical that we know the opinion of halachic experts on these vaccines. Their opinion, the opinion of
gedolim representing all sectors of Orthodoxy, is based on two large prospective, double-blind trials â conducted separately and independently â that conclusively demonstrated that the new vaccines are both very safe and highly efficacious.