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Biological Hazards
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Hantavirus is a virus that is found in the urine, saliva, or droppings of infected deer mice and some other wild rodents. (Canadian Centre for Occupational Health & Safety)

Histoplasmosis is an infectious disease of the lungs caused by a fungus called Histoplasma capsulatum. The infection sometimes can spread to other parts of the body. (Canadian Centre for Occupational Health & Safety)

Lyme Disease

  • Lyme disease is an occupational concern for people who work outdoors in certain areas infested with ticks. It affects people differently most often going unnoticed but sometimes it causes serious problems. If left untreated, it can cause disability. (Canadian Centre for Occupational Health & Safety)

  • Lyme disease is an infection caused by the corkscrew-shaped bacteria Borrelia burgdorferi. These bacteria are spread by the bite of deer ticks and western black-legged ticks. The deer tick is found sporadically throughout the province. (Ontario Government)

  • Pictures of ticks and more information from our health unit.

Mosquito Bourne Diseases West Nile Virus
West Nile Virus (WNV) is a virus found in wild birds and carried by mosquitoes.

Mould: Moulds are members of the fungus family like mushrooms and yeast. There are thousands of types of mould and they can be found almost anywhere, indoors or out.

Psciticosis is an infectious disease in humans that has mild, non-specific flu-like symptoms. Psittacosis refers to any infection or disease caused by Chlamydia psittaci, one of several microorganisms in the genus Chlamydia. This disease can be transmitted from infected birds to humans. Parrot disease, ornithosis, and chlamydiosis are other names for psittacosis. (Canadian Centre for Occupational Health & Safety)


Information on other topics may be found on the following web links:

Ministry of the Environment: General Interest publications

Free information service is provided by the Inquiries Service at the Canadian Centre for Occupational Health & Safety. The mandate of CCOHS is to promote improvements in occupational health and safety by providing practical information to answer workplace concerns.

Health Canada - Environment - Here you will find current, reliable and easy-to-understand articles on the topic of environment.


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