It might interest you that zinc, just like Ensitrelvir, is a 3c like Protease inhibitor. You might have a try at getting his serum and RBC zinc tested. https:/

It might interest you that zinc, just like Ensitrelvir, is a 3c like Protease inhibitor. You might have a try at getting his serum and RBC zinc tested. https://www.jbc.org/article/S0021-9258(20)32476-5/fulltext https://www.jbc.org/article/S0021-9258(20)32476-5/fulltext