Mosquitoes test positive for West Nile in Hennepin and Ramsey counties

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Residents have the ability to opt out of spraying in front of their property by visiting this link on the state's website.

The spraying will only treat non-residential areas.

West Nile Virus (WNV) has been identified in some mosquitoes tested by the Alamosa Mosquito Control District. The West Nile virus-positive samples are the first positive samples in the district for the 2019 surveillance year. Many more people are infected but do not develop symptoms. Birds may also carry WNV, transmitting it to mosquitoes, and on to humans.

In rare cases, those infected can develop severe illnesses such as brain swelling or meningitis. For people who do, the time between the mosquito bite and the start of symptoms can be from 2 to 14 days.

Dawn/Dusk: Mosquitoes are most active during dawn and dusk.

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Boulder County Public Health and Longmont officials urge residents to take necessary precautions to protect themselves. Use an insect repellant such as DEET, or some other registered EPA repellant.

Dress in long sleeves and trousers where mosquitos are active. The second is "Drain", meaning to make sure there is no standing water around your home such as an old tire or tub in which water can stand and breed mosquitoes.

Generally, the mosquito season extends from late April until mid-October, with the end usually signaled by the first freeze in the fall.

The Montana Department of Health and Human Services noted that no cases of of West Nile Virus have been found in humans, but finding the infected mosquito caused them to issue warnings about avoiding mosquitoes. To report nuisance mosquitoes, click on "Mosquito Complaints" in the "What you Can Do" section on the webpage.