TARRANT COUNTY (CBSDFW.COM) – While there has been only one human case of the West Nile Virus in Tarrant County so far this year, Tarrant County Public Health will have several trucks out tonight spraying for mosquitoes.

The ground spraying is set to take place in two unincorporated areas of Tarrant County – in the western and northwestern part of the county.

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Officials said they are taking the move based on a “rapid and consecutive” increase in mosquitoes.

The only human case in Tarrant County involved a woman in her 40’s who was diagnosed with West Nile Fever. Health officials say patients with West Nile Fever typically recover on their own, but symptoms can last for several weeks.

Last year Tarrant County 280 human cases of West Nile, with 11 of those resulting in death.

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Weather permitting; ground spraying will take place sometime between 9 p.m. Friday and 5 a.m. Saturday.

Click here for more information on the West Nile Virus from Tarrant County Public Health.

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