The Marin/Sonoma Mosquito and Vector Control District confirmed today that a sample of adult mosquitoes collected in a trap has tested positive for West Nile virus (WNV). This is the first mosquito sample to test positive for WNV within Marin and Sonoma counties in 2023. The mosquito sample was collected in the vicinity of Asti Road and Citrus Fair Drive in the City of Cloverdale.

Cotati, CA August 4, 2023– The Marin/Sonoma Mosquito and Vector Control District has confirmed finding the first dead bird infected with West Nile virus (WNv) for 2023. The American Crow was collected near Culpepper Dr. and Maria Dr. in Petaluma and is the first detection of West Nile virus activity for the 2023 season.

Cotati, CA, April 28- As Lyme Disease Awareness Month approaches, it is important to remember the potential risks of Lyme disease and how to prevent this debilitating disease. Lyme disease is a tick-borne illness caused by the bacterium Borrelia burgdorferi that can be transmitted to humans through the bite of an infected Ixodes pacificus tick, commonly known as the western black-legged tick. Lyme…

Cotati, CA , April 11, 2023– In the wake of this year’s heavy rain and flooding, officials from the Marin/Sonoma Mosquito and Vector Control District are reminding residents of the importance of dumping and draining standing water to prevent mosquito problems around their homes.

Cotati, CA October 7, 2022– The Marin/Sonoma Mosquito and Vector Control District has confirmed finding the first dead bird infected with West Nile virus (WNv) for 2022. The American Crow was collected near South McDowell Blvd. and Casa Grande Rd. in Petaluma and is the first detection of West Nile virus activity for the 2022 season.

Cotati, CA  September 2, 2022–The Marin/Sonoma Mosquito and Vector Control District is reminding the public to protect themselves from mosquitoes and vector-borne disease during the extended holiday weekend. Labor Day weekend is a time when residents take advantage of the nice weather to engage in outdoor activities, but it’s also when the risk of mosquito-borne disease transmission is elevated.

Cotati, CA  May 27, 2022- The Marin/Sonoma Mosquito and Vector Control District is reminding residents to pack mosquito repellent when preparing for outdoor activities this Memorial Day weekend. "The holiday weekend is a time when many residents spend time outdoors,” stated Nizza Sequeira, Public Information Officer for the Marin/Sonoma Mosquito and Vector Control District. "Protection against…

Cotati, CA October 18,2021- The Marin/Sonoma Mosquito and Vector Control District confirmed today that a sample of adult mosquitoes collected in a trap, has tested positive for West Nile virus (WNV). This is the second mosquito sample to test positive for WNV in Sonoma County this year. The mosquito sample was collected from the vicinity of Santa Rosa Avenue and Burt Street in the city of Santa…

Cotati, CA. July 22, 2021 - The Marin/Sonoma Mosquito and Vector Control District confirmed today that a sample of adult mosquitoes collected in traps, have tested positive for West Nile virus (WNV).  This is the first mosquito sample to test positive for WNV in Marin County or Sonoma County in 2021. The mosquito sample was collected from the vicinity of the Ellis Creek Water Recycling Facility in…

Cotati, CA. July 6, 2021-The Marin/Sonoma Mosquito and Vector Control District has confirmed finding the first dead bird infected with West Nile virus for 2021. The American Crow was collected near Country Club Drive and Piezzi Road in Santa Rosa and is the first detection of West Nile virus in Sonoma County for the 2021 season.

Cotati, CA. July 2, 2021-The Marin/Sonoma Mosquito and Vector Control District reminds residents to take personal protection measures against mosquitoes and West Nile virus during this holiday weekend.

Cotati, CA. June 8, 2021- As residents of Marin and Sonoma counties brace themselves for another drought year, officials from the Marin/Sonoma Mosquito and Vector Control District urge residents not to let their guard down when it comes to mosquitoes.

Cotati, CA.  September 18, 2020-The Marin/Sonoma Mosquito and Vector Control District has confirmed finding the first dead bird infected with West Nile virus (WNv) for 2020. The American Crow was collected near Nantucket Cove and Catalina Blvd. in San Rafael and is the first detection of West Nile virus activity for the 2020 season.

SACRAMENTO, June 17, 2020 – As the weather heats up and residents head outside, mosquito experts encourage community members to protect themselves from mosquitoes and the diseases they can spread when they bite. West Nile virus is the most prevalent mosquito-borne disease in the U.S. according to the Centers for Disease Control and Prevention (CDC), California had the highest number of West Nile…

Cotati, CA - After weeks of park closures, counties are beginning to relax shelter-in-place orders by allowing access to parks and other outdoor areas so residents can exercise, take walks, and enjoy the warm weather. Officials at the Marin/Sonoma Mosquito and Vector Control District are reminding residents that ticks are active year-round and to take preventative measures when engaging in outdoor…

Mosquito and Vector Control Awareness Week educates California residents about preventing mosquito-borne viruses

Cotati, CA. -School isn't the only thing out this summer- so are ticks. The Marin/Sonoma Mosquito and Vector Control District is urging residents to take personal precautions against ticks when engaging in outdoor activities.

Cotati, CA. - On Saturday, May 18th, nearly 600 Marin and Sonoma County residents braved the rain to attend the Marin/Sonoma Mosquito & Vector Control District (MSMVCD) Open House to learn about the vital role the MSMVCD plays keeping communities safe from mosquitoes and vector-borne diseases.

Cotati, CA-The Marin/Sonoma Mosquito & Vector Control District (MSMVCD) invites the public to its Open House to learn about the vital role the District plays keeping communities safe from mosquitoes and vector-borne diseases.  The Open House will take place rain or shine, on Saturday, May 18, 2019, from 11:00 a.m. - 3:00 p.m. at 595 Helman Lane in Cotati.

Cotati, CA-The Marin/Sonoma Mosquito & Vector Control District  expects to see a rise in the adult mosquito population as temperatures increase this spring. The series of atmospheric rivers that drenched Marin and Sonoma counties this past winter and early spring left behind large areas of stagnant water. Vector control technicians are out in force responding to service requests from residents and…

Cotati, CA. -The Marin/Sonoma Mosquito & Vector Control District (District) received confirmation from the UC Davis Arbovirus Research and Training Laboratory that a mosquito sample tested positive for West Nile virus (WNV). The group of mosquitoes was collected near the Ellis Creek Water Recycling Facility in Petaluma. 

Cotati, CA- With the Fourth of July holiday fast approaching, the Marin/Sonoma Mosquito and Vector Control District is reminding residents to protect themselves from mosquito bites.

Cotati, CA- According to the Centers for Disease Control, Lyme disease is the most common vector-borne disease in the United States. Officials at the Marin/Sonoma Mosquito and Vector Control District are reminding residents that prevention before, during, and after being in tick habitat is key when it comes to protection against ticks and tick-borne diseases.

Cotati, CA. - In an effort to raise awareness and educate Californians about the threat mosquitoes pose to our communities, the California Legislature has declared the week of April 15-22, 2018, Mosquito Awareness Week. This declaration coincides with the end of the late rains and beginning of warm weather, making it the ideal time for an increase in mosquito populations.