User blog comment:Kogath/Monster Hunter 4 Ultimate for the Nintendo 3DS/@comment-21371438-20140128193758/@comment-4452412-20140129161604

If there IS an antivirus element, lorewise is could be thought of as a cure for the virus for humans, but as the virus is more harnful for humans, the antivirus would be harmful to the infected monster.

Just my two cents.