Reply To: Why is everybody anti anti-vaccine theories, a dissertation

By the way, the main significance of the pidyon haben part of the question is in light of R’ Moshe’s answer to the Beiur Halacha’s kashya, in Igros Moshe Orach Chaim 5:41, and in light of R’ Yaakov Emden in She’eilas Ya’avetz siman 155

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