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West Nile Virus

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SoCal West Nile virus surge: how to protect yourself this season
weather-news9 days ago

SoCal West Nile virus surge: how to protect yourself this season

West Nile virus activity is surging early in Southern California, with Orange County detecting the virus in 10 cities and testing 38 mosquito pools, and Los Angeles County reporting 27 positive mosquito samples; nationwide there have been at least 48 human cases by June 30, including 38 neuroinvasive cases, though California has only one confirmed human infection this year. Health officials urge practical prevention: use EPA-registered repellents with DEET/IR3535/oil of lemon eucalyptus/picaridin, wear long sleeves and pants at dawn/dusk, eliminate standing water, repair screens, and report neglected pools or dead birds to local vector control agencies.

West Nile virus surges in Southern California, prompting urgent protection steps
health10 days ago

West Nile virus surges in Southern California, prompting urgent protection steps

West Nile‑carrying mosquitoes are spreading rapidly through Los Angeles and Orange counties, with LA County reporting 27 positive samples and Orange County detecting West Nile in 38 mosquito pools. Nationally, human cases are at a mid-year high not seen since 2004, though California has only one reported human case so far this year. There is no specific treatment; most infections are mild or asymptomatic, but about 1% can progress to neuroinvasive disease, which can be severe and sometimes fatal. Prevention focuses on reducing breeding sites and avoiding bites: use EPA‑recommended repellents (DEET, IR3535, oil of lemon eucalyptus, or Picaridin), wear long sleeves/pants at dawn/dusk, remove standing water, maintain screens, and report dead birds or large breeding sites to local vector control.

Nashville Detects West Nile in Mosquitoes, Prompting Public Health Precautions
health16 days ago

Nashville Detects West Nile in Mosquitoes, Prompting Public Health Precautions

Nashville health officials confirmed West Nile virus in a local mosquito pool near Cass Street in North Nashville, marking the city's first 2026 detection and an early-season warning. The Metro Public Health Department is ramping up mosquito trapping, distributing educational materials, and reducing breeding sites by removing standing water and applying larvicide where needed, while noting they do not spray insecticide to kill adult mosquitoes. Residents are advised to use EPA-approved repellents, wear protective clothing, and ensure screens are intact, as West Nile virus remains the leading US mosquito-borne disease and poses higher risk to older adults and immunocompromised individuals.

Grant County detects West Nile in mosquitoes, urging bite-prevention measures
local17 days ago

Grant County detects West Nile in mosquitoes, urging bite-prevention measures

West Nile virus was detected in mosquitoes collected in Moses Lake, Grant County, with confirmation on June 29, 2026; officials warn that infected mosquitoes could be present elsewhere and urge residents to reduce standing water, seal homes against entry, and use EPA-registered repellents to prevent bites. Most infections are mild but severe illness can occur, especially for older adults or those with certain conditions. Grant County Mosquito Control District No. 1 continues trapping and control through October 2026; nearby counties have detections too, but no human WA cases in 2026 to date; last Grant County human case was in 2015.

Tejano singer's paralysis flags Texas West Nile risk amid mosquito surge
local-news18 days ago

Tejano singer's paralysis flags Texas West Nile risk amid mosquito surge

A Tejano singer, Fernando Silva, was left paralyzed from the neck down after contracting West Nile virus from a mosquito bite in 2024, later diagnosed with Guillain-Barré syndrome. Fort Bend County has declared a public health emergency amid a surge of West Nile–positive mosquitoes, with aerial spraying and ongoing ground treatments. Officials urge prevention measures—eliminate standing water, use effective repellents (DEET, picaridin, or oil of lemon eucalyptus), wear long sleeves and treated clothing, and limit outdoor time at dawn and dusk—while warning that other mosquito-borne illnesses such as Zika, Dengue, and Chikungunya are possible in the area.

West Nile virus detected in Minnesota mosquitoes across three counties
health22 days ago

West Nile virus detected in Minnesota mosquitoes across three counties

West Nile virus has been detected in mosquitoes in three Minnesota counties (Hennepin, Ramsey, and Dakota) with samples from June 17 marking the first positives of 2026; the Metropolitan Mosquito Control District says it will boost surveillance and may expand treatments, while residents are urged to use repellent, cover exposed skin, and eliminate standing water to reduce bite risk, noting 2025 saw a record number of human cases statewide.

Mosquitoes in Three Las Vegas ZIP Codes Test Positive for West Nile Virus
health23 days ago

Mosquitoes in Three Las Vegas ZIP Codes Test Positive for West Nile Virus

Clark County’s health district detected West Nile virus in mosquitoes in three Las Vegas ZIP codes (89121, 89169, 89139) during routine surveillance, with more trapping planned as rainfall increases standing-water risk; this follows the county’s first human West Nile case of 2026, and residents are urged to use repellent, eliminate standing water, wear protective clothing, and report mosquito activity.

Five mosquito-borne threats you’re most likely to encounter in the U.S.
wellbeing25 days ago

Five mosquito-borne threats you’re most likely to encounter in the U.S.

The Washington Post’s Well+Being piece identifies the five mosquito-borne diseases most likely to be contracted in the United States—West Nile virus, dengue fever, chikungunya, Zika virus, and eastern equine encephalitis. Most infections cause mild or no symptoms, but some can lead to serious complications, especially in vulnerable people. Climate change may extend mosquito seasons, and travelers can inadvertently spread infections. Preventive steps include using insect repellent, keeping screens intact, and eliminating standing water around homes.

Chicago Detects First West Nile–Positive Mosquitoes of the Season
health1 month ago

Chicago Detects First West Nile–Positive Mosquitoes of the Season

Chicago health officials say West Nile virus–positive mosquitoes have been found in the city for the first time this year, though no human cases have been reported. While most mosquitoes don’t carry the virus, risk is highest June–October. Infections are often mild or flu-like, with severe illness possible in older or immune-compromised individuals. There are no vaccines or treatments, so prevention focuses on repellents, protective clothing, intact screens, reducing standing water, and city programs that test mosquitoes, apply larvicide to catch basins, and spray to kill adult mosquitoes.

Google backs large-scale sterile-mosquito release to curb West Nile in CA and FL
science1 month ago

Google backs large-scale sterile-mosquito release to curb West Nile in CA and FL

Google, via its Verily life-sciences unit, is seeking EPA approval to release about 64 million Wolbachia-infected sterile male mosquitoes in California and Florida over two years (16 million per state per year) to suppress the Culex quinquefasciatus population and reduce transmission of West Nile virus and St. Louis encephalitis. Males don’t bite, and when they mate with wild females lacking Wolbachia, eggs don’t hatch, lowering mosquito numbers. The initiative uses the suppression method and is not genetically modified. Public comment on the plan is open until June 5; releases have not been mapped to specific counties.

Google bets on Wolbachia-infected mosquitoes to curb disease in CA and FL
science1 month ago

Google bets on Wolbachia-infected mosquitoes to curb disease in CA and FL

Google has applied for an EPA experimental release permit to deploy up to 64 million Wolbachia-infected, non-biting male southern house mosquitoes in California and Florida over two years to suppress populations and reduce mosquito-borne diseases. Scientists say Wolbachia-based strategies can be targeted and environmentally safer than broad insecticides, but the final decision depends on public comment and ongoing ecological monitoring; the project would release up to 32 million mosquitoes in each state.

West Nile detected in Coachella Valley triggers health push
health1 month ago

West Nile detected in Coachella Valley triggers health push

A mosquito sample from the North Shore area of the Coachella Valley tested positive for West Nile virus, marking the season’s first detection. Officials are boosting mosquito surveillance and urging residents to prevent breeding and protect themselves from bites, with no human cases reported yet; older adults and the immunocompromised remain at higher risk.

technology1 month ago

Google Proposes Mass Wolbachia Mosquito Release to Combat West Nile

Google’s Debug unit is seeking EPA approval to release up to 32 million Wolbachia-infected male mosquitoes in Florida and California over two years, using AI-powered robotics to breed, sort, and deploy the insects. Because only males are released and Wolbachia prevents viable offspring, biting risk should not rise; the program aims to reduce West Nile virus and related diseases, with public comments open through June 5 amid mixed reactions from residents.