Metamorphosis: The Alien Factor (1990)

A virus from outer space transforms a bio-researcher into a blood thirsty monster. Chief researcher Dr. Vialini doesn't want the cops and public to know about this secret experiment. But he becomes lunch very soon. Its first victim is the lab's security guard. Suddenly, the guard's daughters get worried about him and go to the lab to retrieve their father. However, they have no clue what they're in store for. (UPDATED BY RYTHEBAYLORBEARSFAN89).