Mansquito

Working at an underground disease control facility, Dr. Bowman has seen every strain of infectious disease known to man. He and his team work to find vaccines for the most deadly strains including the West Nile Virus. Until his lab is invaded by criminals intent on stealing a new vaccine. But the new drug is not yet safe for humans and when Bowman's attackers inject him with the experimental serum they unleash a horrifying transformation. The half man, half insect, killer escapes from the lab. He begins a killing spree by using his razor sharp legs and teeth to rip apart his tormentors. The hideous, disease carrying creature must now search for more life-giving blood for a terrifying surprise swarming in the basement... (official distributor synopsis)