San Mateo County Mosquito and Vector Control District Awarded District Transparency Certificate of Excellence
Burlingame, CA – 9 January 2016
In recognition of its outstanding efforts to promote transparency and good governance, San Mateo County Mosquito and Vector Control District has been awarded the District Transparency Certificate of Excellence by the Special District Leadership Foundation (SDLF).
Officials at San Mateo Mosquito and Vector Control District (SMCMVCD) remind residents that winter is the season for the western black-legged tick (Ixodes pacificus), also known as the deer tick. This tick is the primary vector for Lyme disease and other common tick-borne illnesses.
California Department of Public Health (CDPH) Director and State Public Health Officer Dr. Karen Smith today called on the people of California to help reduce the number of mosquitoes by eliminating standing water, especially in areas that have recently had rain and continue to experience warm temperatures.
Travelers coming back from the Olympic Games in Rio and other vacation spots where the Zika virus is spreading are urged to take precautions upon return to help prevent the spread of the virus in California. While the virus is primarily transmitted by Aedes mosquitoes, it can also pass from one person to another during sex.
On Sunday night, Aug. 14th, in response to the discovery of adult mosquitoes infected with West Nile virus, San Mateo County Mosquito and Vector Control District conducted an adult mosquito control treatment in the Marina Lagoon area of San Mateo and Foster City. Since this treatment, there has been an 87% reduction in adult mosquitoes in this area, and no further mosquito samples have tested positive for West Nile virus.
On August 12th San Mateo County Mosquito and Vector Control District (SMCMVCD) detected West Nile Virus (WNV) in adult mosquitoes collected from the Marina Lagoon area of San Mateo. These mosquitoes were collected by the District laboratory staff during disease surveillance.
Mosquito samples collected from Atherton following San Mateo County Mosquito and Vector Control District’s adult mosquito control treatment on Thursday, Aug. 4th, have tested negative for West Nile virus.
“Although we didn’t find infected adult mosquitoes this week, residents are encouraged to continue to take basic precautions against mosquito bites,” said the District’s Public Health Education and Outreach Officer, Megan Caldwell.
California Department of Public Health (CDPH) Director and State Health Officer Dr. Karen Smith today announced the first confirmed death in California due to West Nile virus (WNV). The deceased person was a senior citizen in Sacramento County.
The California Department of Public Health (CDPH) reported today that two infants with Zika-related microcephaly have been born in California to women who had Zika virus infections during pregnancy after spending time in a country where the virus is endemic. While mosquitoes that can carry the virus have been found in 12 California counties, there is no evidence these mosquitoes are transmitting Zika in the state at this time.
On August 3rd, 2016, San Mateo County Mosquito and Vector Control District (SMCMVCD) detected West Nile Virus (WNV) in adult mosquitoes collected from Atherton. These mosquitoes were collected during disease surveillance following an adult mosquito control treatment in a neighboring area.
On July 28th, 2016, San Mateo County Mosquito and Vector Control District (SMCMVCD) detected West Nile Virus (WNV) in adult mosquitoes collected from Atherton. This finding follows the discovery of seven dead birds infected with West Nile virus from the surrounding area over a two-week period from July 6th to July 20th.
The California Department of Public Health (CDPH) is reporting increased West Nile virus activity across the state and is investigating numerous suspect cases in humans. While the first human case has not been confirmed by CDPH, a resident of Los Angeles County has symptoms consistent with West Nile virus disease. Initial tests on that patient indicate a probable West Nile virus diagnosis, which requires further testing for confirmation.
San Mateo County Mosquito and Vector Control District continues to find evidence of hantavirus infection in deer mice collected during routine rodent-borne disease surveillance. The most recent samples were collected during May and June of 2016 in the vicinity San Bruno Mountain and Montara.
Dead Birds are First Indication of West Nile Virus in San Mateo County in 2016
Burlingame, CA – July 7, 2016
Two dead American crows, one collected from Atherton and another collected from Redwood City, tested positive for West Nile virus (WNV) on July 6th. This is the first indication of the presence of WNV in San Mateo County in 2016.
San Mateo County Health System today received confirmation from the California Department of Public Health that a San Mateo County resident has tested positive for Zika virus. The individual was infected with Zika virus while traveling abroad and is now fully recovered. No transmission of the disease took place in the United States, and there was no risk of the virus spreading to the local community from this case. To protect patient privacy, San Mateo County is not releasing further details about the confirmed Zika case.
California Department of Public Health (CDPH) Director and State Public Health Officer Dr. Karen Smith today announced the first confirmed case of Zika virus acquired in California. This case involves transmission of Zika virus through sexual contact with a Zika-infected partner who returned from a country where Zika virus was circulating, not from a mosquito bite. The woman who was infected was not pregnant and had not traveled out of the country. She and her partner have fully recovered.
California Department of Public Health (CDPH) Director and State Public Health Officer Dr. Karen Smith today advised that although there is no evidence of mosquitoes carrying Zika virus in California, people should always take steps to avoid mosquito bites, including removing standing water and wearing insect repellent when necessary. Californians should also be advised of international travel alerts for the countries where Zika virus is circulating.