My wife is an immunologist who works on this at BioNTech. She explained it to me that this is expected and the data matches it. She explained why as well but th

My wife is an immunologist who works on this at BioNTech. She explained it to me that this is expected and the data matches it. She explained why as well but there's a big gap in my undergrad-level understanding of bio and her phd + years of experience in the field, so it went way over my head I'm afraid.