I have cat, 4 years old. He has FIV. We gave him virbagen omega 10, 0-5 14-19 60-65 day and finished with treatment. He was better for few days and then he lost his apetite. I live in small town, my vet isnt sure can we give him more interferon, how often, how many days...we give him vitamins injections once a week and antibiotics. im waing for immunosupport vitamins for him. any help and advice will mean much to my cat ant me. thank you.