7th human case of West Nile found in Mass.

Residents urged to take precautions to avoid mosquito bites

BOSTON (WWLP) – The Massachusetts Department of Public Health announced the seventh human case of West Nile virus in 2015 was found in Suffolk County.

According to the DPH, the patient is a female in her 90’s who likely got the virus in the Suffolk County area. She was hospitalized due to the infection.

The West Nile virus risk level for Boston, Chelsea, Revere and Winthrop will stay at high, and will not change because of this latest discovery.

“Even with our current cooler temperatures, it’s important to note that Massachusetts still is in peak season for possible West Nile virus infection for human infections,” said State Public Health Veterinarian Dr. Catherine Brown. “Residents need to continue to take steps to protect themselves against mosquito bites: use insect repellant, cover up, and avoid outdoor activities at dusk and after nightfall when mosquitoes are at their most active.”

In 2014, the DPH said there were six human cases of WNV infection identified in Massachusetts. The WNV symptoms tend to include fever and flu-like illness. In rare cases, more severe illness can occur.

Below are tips from the DPH on how to avoid mosquitoes borne illnesses:

Avoid Mosquito Bites

Apply Insect Repellent when Outdoors: Use a repellent with DEET (N, N-diethyl-m-toluamide), permethrin, picaridin (KBR 3023), oil of lemon eucalyptus [p-methane 3, 8-diol (PMD)] or IR3535 according to the instructions on the product label.

DEET products should not be used on infants under two months of age and should be used in concentrations of 30% or less on older children. Oil of lemon eucalyptus should not be used on children under three years of age.

Be Aware of Peak Mosquito Hours: The hours from dusk to dawn are peak biting times for many mosquitoes. Consider rescheduling outdoor activities that occur during evening or early morning.

Clothing Can Help Reduce Mosquito Bites: Wearing long-sleeves, long pants and socks when outdoors will help keep mosquitoes away from your skin.

Mosquito-Proof Your Home

Drain Standing Water: Mosquitoes lay their eggs in standing water. Limit the number of places around your home for mosquitoes to breed by either draining or discarding items that hold water. Check rain gutters and drains. Empty any unused flowerpots and wading pools, and change water in birdbaths frequently.

Install or Repair Screens: Keep mosquitoes outside by having tightly-fitting screens on all of your windows and doors.

Protect Your Animals

Animal owners should reduce potential mosquito breeding sites on their property by eliminating standing water from containers such as buckets, tires, and wading pools – especially after heavy rains.

Water troughs provide excellent mosquito breeding habitats and should be flushed out at least once a week during the summer months to reduce mosquitoes near paddock areas.

Horse owners should keep horses in indoor stalls at night to reduce their risk of exposure to mosquitoes. Owners should also speak with their veterinarian about mosquito repellents approved for use in animals and vaccinations to prevent WNV and EEE.

If an animal is diagnosed with WNV or EEE, owners are required to report to DAR, Division of Animal Health by calling 617-626-1795 and to the Department of Public Health (DPH) by calling 617-983-6800.

More information, including all WNV and EEE positive results from 2014, can be found on the Arbovirus Surveillance Information web page at www.mass.gov/dph/mosquito or by calling the DPH Epidemiology Program at 617-983-6800.

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