In the process on taking blood, the mosquito can passively transmit viruses and other disease-causing agents into the host's bloodstream. Malaria, dengue and yellow fever, Zika and West Nile virus, tularemia, and elephantiasis are diseases spread by Mosquito bites. Because these diseases are a threat to public health and safety, population control and management strategies exist in many parts of the world. Chemical spraying, larvicide tablets for ponds and lagoons, and campaigns to eliminate standing water from residential and corporate properties all aim to reduce population sizes