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West Nile virus disease in equids (horses, mules, donkeys, and zebras)

Description

West Nile virus (WNV) is a mosquito-borne virus that can cause swelling and inflammation of the brain and spinal cord in horses, birds and humans. This fact sheet presents a summary about WNV in... More ≫

Description

West Nile virus (WNV) is a mosquito-borne virus that can cause swelling and inflammation of the brain and spinal cord in horses, birds and humans. This fact sheet presents a summary about WNV in Alberta and Canada, symptoms, treatment and protection of horses, donkeys and mules.

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WNV degree day maps for Alberta [2019]

Description

Degree days are a measurement of heat accumulation. For the purpose of this report, Degree days are calculated by subtracting the threshold temperature for West Nile Virus development (14.3... More ≫

Description

Degree days are a measurement of heat accumulation. For the purpose of this report, Degree days are calculated by subtracting the threshold temperature for West Nile Virus development (14.3 degrees celcius) from the daily mean temperature. Calculating the cumulative degree days over a season can be used to estimate the risk of transmission of the West Nile Virus by mosquitoes in Alberta. The risk of transmission increases with increasing degree day accumulation. Updated every two weeks during the West Nile Virus season.

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WNV degree day maps for Alberta [2018]

Description

Degree Days are a measurement of heat accumulation. For the purpose of this report, Degree Days are calculated by subtracting the threshold temperature for West Nile Virus development (14.3... More ≫

Description

Degree Days are a measurement of heat accumulation. For the purpose of this report, Degree Days are calculated by subtracting the threshold temperature for West Nile Virus development (14.3 degrees celcius) from the daily mean temperature. Calculating the cumulative Degree Days over a season can be used to estimate the risk of transmission of the West Nile Virus by mosquitoes in Alberta. The risk of transmission increases with increasing Degree Day accumulation. Updated every two weeks during the West Nile Virus season.

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West Nile Virus and degree days maps in Alberta in 2017

Description

Degree Days are a measurement of heat accumulation. For the purpose of this report, Degree Days are calculated by subtracting the threshold temperature for West Nile Virus development (14.3... More ≫

Description

Degree Days are a measurement of heat accumulation. For the purpose of this report, Degree Days are calculated by subtracting the threshold temperature for West Nile Virus development (14.3 degrees celcius) from the daily mean temperature. Calculating the cumulative Degree Days over a season can be used to estimate the risk of transmission of the West Nile Virus by mosquitoes in Alberta. The risk of transmission increases with increasing Degree Day accumulation. Updated every two weeks during the West Nile Virus season.

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West Nile Virus and degree days maps in Alberta in 2016

Description

Degree Days are a measurement of heat accumulation. For the purpose of this report, Degree Days are calculated by subtracting the threshold temperature for West Nile Virus development (14.3... More ≫

Description

Degree Days are a measurement of heat accumulation. For the purpose of this report, Degree Days are calculated by subtracting the threshold temperature for West Nile Virus development (14.3 degrees celcius) from the daily mean temperature. Calculating the cumulative Degree Days over a season can be used to estimate the risk of transmission of the West Nile Virus by mosquitoes in Alberta. The risk of transmission increases with increasing Degree Day accumulation. Updated every two weeks during the West Nile Virus season.

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West Nile Virus and degree days maps in Alberta in 2015

Description

Degree Days are a measurement of heat accumulation. For the purpose of this report, Degree Days are calculated by subtracting the threshold temperature for West Nile Virus development (14.3... More ≫

Description

Degree Days are a measurement of heat accumulation. For the purpose of this report, Degree Days are calculated by subtracting the threshold temperature for West Nile Virus development (14.3 degrees celcius) from the daily mean temperature. Calculating the cumulative Degree Days over a season can be used to estimate the risk of transmission of the West Nile Virus by mosquitoes in Alberta. The risk of transmission increases with increasing Degree Day accumulation. Updated every two weeks during the West Nile Virus season.

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West Nile Virus and degree days maps in Alberta in 2014

Description

Degree Days are a measurement of heat accumulation. For the purpose of this report, Degree Days are calculated by subtracting the threshold temperature for West Nile Virus development (14.3... More ≫

Description

Degree Days are a measurement of heat accumulation. For the purpose of this report, Degree Days are calculated by subtracting the threshold temperature for West Nile Virus development (14.3 degrees celcius) from the daily mean temperature. Calculating the cumulative Degree Days over a season can be used to estimate the risk of transmission of the West Nile Virus by mosquitoes in Alberta. The risk of transmission increases with increasing Degree Day accumulation. Updated every two weeks during the West Nile Virus season.

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West Nile virus

Description

The West Nile virus (WNV) is a mosquito-borne virus that can cause swelling and inflammation of the brain and spinal cord in horses, birds and humans. This fact sheet presents a summary about WNV... More ≫

Description

The West Nile virus (WNV) is a mosquito-borne virus that can cause swelling and inflammation of the brain and spinal cord in horses, birds and humans. This fact sheet presents a summary about WNV in Alberta and Canada, symptoms, treatment and protection of horses

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Alberta West Nile Virus summary report

Description

This annual report provides information on the incidence of the West Nile virus (WNV) in Alberta and Alberta's actions to respond to the virus for the calendar year under review. In each year... More ≫

Description

This annual report provides information on the incidence of the West Nile virus (WNV) in Alberta and Alberta's actions to respond to the virus for the calendar year under review. In each year covered by an annual report, an interdepartmental committee was established to prepare a provincial response plan to address potential WNV risks in Alberta.

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Estimating the infection rate : West Nile virus seroprevalence in Alberta

Description

This report presents the results from the second West Nile virus (WNv) Seroprevalence Study, undertaken by Alberta Health and Wellness during March through June 2007. Since most WNv infections do... More ≫

Description

This report presents the results from the second West Nile virus (WNv) Seroprevalence Study, undertaken by Alberta Health and Wellness during March through June 2007. Since most WNv infections do not lead to clinical cases, seroprevalence studies are conducted to estimate how many Albertans have actually been infected with the virus and how the virus is spreading in the province. The studies also help to increase our understanding of the cycles of WNv to help predict yearly clinical infection rates. A secondary objective of the study is to investigate the knowledge and attitudes of Albertans about WNv and about measures used to protect against infection.

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