Zoonotic and Vector-Borne Diseases
West Nile virus (WNV) is an arthropod-borne virus (arbovirus) most commonly spread by infected mosquitoes that can lead to severe fever, encephalitis (inflammation of the brain) or meningitis (inflammation of the lining of the brain and spinal cord). The primary vector in Ohio is the northern house mosquito, Culex pipiens. Mosquitoes become infected when they feed on infected birds. Infected mosquitoes can then spread the virus to humans and other animals when they bite.
Approximately 80 percent of people who are infected with WNV will not show any symptoms at all, but there is no way to know in advance if you will develop an illness or not. Those who do develop symptoms usually do so between three to 14 days after they are bitten by the infected mosquito:
Ways to reduce the chance of exposure to mosquitoes include reducing water-holding areas around your home that provide breeding habitats for mosquitoes, using insect repellant containing DEET on exposed skin (especially during early morning hours and early evening hours), or covering exposed skin with clothing.
The Ohio Department of Health monitors vector-borne diseases in the state.
Rabies is a zoonotic disease mainly transmitted through animal bites. If you have been bitten or scratched by an animal, it must be reported to the health department.
Highly pathogenic avian influenza (HPAI) or ‘bird flu’ is a dangerous viral disease of wild birds and domestic poultry. It is a significant threat to animal and human health, food supply, and the global economy. Find more information below:
Avian Influenza Signs & Symptoms
How Does Avian Influenza Spread
Information on Backyard Bird / Poultry Flocks and Bird Enthusiasts, Hunters, Veterinarians
Visit Ohio Department of Health’s Zoonotic Disease Homepage for more information.