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The Ontario Agency for Health Protection and Promotion was established in 2008 by the Ontario Agency for Health Protection and Promotion Act, 2007. [2] The OAHPP is an agent of the Crown (i.e. a Crown agency) and is considered an arm's-length government agency.
Powassan Virus (POWV) is the only tick-borne flavivirus endemic in North America. [2] POWV human illnesses have been reported in the United States, Canada and Russia. [2] POWV has different genetic variations including deer tick virus (DTV) which is transmitted by the black-legged tick (aka deer tick), Ixodes scapularis. [27]
The disease was first isolated from the brain of a boy who died of encephalitis in Powassan, Ontario, in 1958. [3] This disease is classified as a zoonosis, originating in animals, often found in rodents and ticks, with subsequent transmission to humans. The virus shares antigenic similarities with the Far Eastern tick-borne encephalitis ...
HealthMap is used both as an early detection system and supports situational awareness by providing current, highly local information about outbreaks, even from areas relatively invisible to traditional global public health efforts. Currently, HealthMap monitors information sources in English, Chinese, Spanish, Russian, French, Portuguese, and ...
Most of these pathogens require passage through vertebrate hosts as part of their life cycle. Tick-borne infections in humans, farm animals, and companion animals are primarily associated with wildlife animal reservoirs. [5] Many tick-borne infections in humans involve a complex cycle between wildlife animal reservoirs and tick vectors. [5]
This tick is the most commonly identified species responsible for transmitting R. rickettsii to humans. Rocky Mountain wood ticks (D. andersoni) are found in the Rocky Mountain states and in southwestern Canada. The lifecycle of this tick may require up to three years for its completion. The adult ticks feed primarily on large mammals.
The Jamestown Canyon virus is an orthobunyavirus and was first isolated in 1961 from Culiseta mosquitoes in Jamestown, Colorado.Since then it has been found in Aedes, Coquillettidia perturbans, Culex, Culiseta and Ochlerotatus species in northern states of the mainland US, in various mammals throughout mainland North America, and identified in humans throughout the United States.
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