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Health Topics - Insects

Find out more information about Anaplasmosis, Babesiosis, Bed bugs, Lyme Disease, Powassan Encephalitis, Rocky Mountain Spotted Fever, Tularemia and West Nile Virus.

  • Anaplasmosis

    PDF/Printer Friendly Version What is Anaplasmosis (Human Granulocytic Anaplasmosis)? Anaplasmosis, also referred to as Human Granulocytic Anaplasmosis (HGA), is a disease caused by the bacteria Anaplasma phagocytophilum carried in some ticks. Where has the disease been found? Ticks capable of carrying the disease can be found in North America, Europe and Asia. In the U.S., […]

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  • Babesiosis

    PDF/Printer friendly version What is Babesiosis? Babesiosis is a rare but severe tick-borne disease caused by various types Babesia parasites that infect red blood cells. Where has this disease been found? With the parasite being found worldwide, Babesiosis has been found scattered throughout much of the world including North America, Europe, Asia and Africa. How […]

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  • Bed bugs

    What are bed bugs? What do bed bugs feed on? What do bed bugs bites look like? How do I treat bed bug bites? Can I get sick from bed bugs? How do bed bugs get into my home? What can I do if I find bed bugs in my home? How do I prevent […]

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  • Lyme Disease

    Lyme Disease Estimated Risk Areas Identified by the HNHU in Haldimand and Norfolk Please note, this map does not include risk or endemic areas that may be originating from other public health unit jurisdictions and overlap in Haldimand or Norfolk counties.  For more information on Lyme disease at the provincial level, please visit   […]

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  • Powassan Encephalitis

    PDF/Printer Friendly Version What is Powassan Encephalitis? Powassan encephalitis is a serious but rare tick-borne illness caused by the Powassan virus. The virus was named after the town of Powassan, Ontario where the virus was first isolated in 1958. Where has this virus been found? Although human illness is rare and most infections do not […]

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  • Rocky Mountain Spotted Fever

    PDF/Printer Friendly Version What is Rocky Mountain Spotted Fever? Rocky Mountain Spotted Fever is a disease caused by the bacteria Rickettsia rickettsii carried in some ticks. Where has this disease been found? The disease has been found in Canada, the United States, Central and South America. It is considered endemic in most parts of the […]

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  • Tularemia

    PDF/Printer Friendly Version What is Tularemia? Tularemia, also known as “rabbit fever,” is a disease caused by the bacteria Francisella tularensis. Tularemia is often considered a rural disease typically found in wild animals, especially rodents, rabbits, muskrats and beavers. Where has this disease been found? Tularemia has been found throughout North America and in many […]

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  • West Nile Virus

    PDF/Printer Friendly Version What is West Nile virus? West Nile virus is a virus mainly transmitted to people through the bite of an infected mosquito. Mosquitoes transmit the virus after becoming infected by feeding on the blood of birds which carry the virus. Most people infected with the virus have no symptoms or they have […]

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