Abstract The feline infectious peritonitis virus (FIPV) is a member of the feline coronavirus family that causes FIP. which is incurable and fatal in cats. Cyclosporin A (CsA). an immunosuppressive agent that targets the nuclear factor pathway of activated T-cells (NF-AT) to bind cellular cyclophilins (CyP). https://pipingrockers.shop/product-category/womens-probiotic/