Well, I've heard a lot of different information about vaccines, and there are many people who are for vaccines and there are almost as many who are against them, and I can say that I understand all of them. But unfortunately, I don't understand this issue, so I can't help you. As for me, I am very afraid of getting sick with coronavirus, so I am glad that scientists have invented a vaccine against Covid19, which forms antibodies, and if a person gets sick, he will bear it much easier. In addition, it reduces the probability of a fatal outcome. You can read more information about this here https://thehealthfulness.com/2020/07/06/first-covid-19-vaccine/ .