User blog comment:Mckrongs/Monster Hunter 4 for the Nintendo 3DS/@comment-86.171.224.79-20121215222424/@comment-4563270-20121216041946

^when you come into contact with the virus you have till the bar fills up to cure it but should you contract the feral wyvern virus u take extra damage and can't regenrate red health but if your health dips too low you gain an attack boost and improved stamina.