There are cases of mutation in immunocompromised preceding plasma therapy, e.g.: https://www.npr.org/sections/goatsandsoda/2021/02/05/964447070/where-did-the-c

There are cases of mutation in immunocompromised preceding plasma therapy, e.g.: https://www.npr.org/sections/goatsandsoda/2021/02/05/964447070/where-did-the-coronavirus-variants-come-from https://www.npr.org/sections/goatsandsoda/2021/02/05/9644470...