Tick-Borne Diseases

A chart that shows a visualization of seasonal risk of exposure to infected wester blacklegged ticks in california.

Lyme Disease

Lyme disease is caused by a bacteria (Borrelia burgdorferi) which is transmitted by ticks. It may be cured by early diagnosis and appropriate antibiotic treatment, but it may persist in the human body for years, if not properly treated. Lyme disease was named for Old Lyme, Connecticut, where the first cases of Lyme disease were reported. The first case in California was reported in 1978. It is…

Anaplasmosis

Anaplasmosis is a disease caused by the bacteria Anaplasma phagocytophilum, transmitted to humans by tick bites. It is less common than Lyme disease in California but is transmitted by the same tick, the western black-legged tick (Ixodes pacificus). On the east coast of the United States, the tick vector is the deer tick (Ixodes scapularis). It is treatable with antibiotics and rarely fatal…

A dark brown and light brown colored tick, with a round body, 8 long legs, and a mouthpart extending from the body

Tularemia

Tularemia, rabbit or deerfly fever, is a relatively rare bacterial disease transmitted to humans and animals by the bite of ticks. It is much less common that Lyme disease in California and is primarily transmitted by summer ticks, the American dog tick (Dermacentor variablis). It may be cured by early diagnosis and appropriate antibiotic treatment.

Tick-borne relapsing fever

Tick-borne relapsing fever refers to a type of illness caused by the bacteria Borrelia miyamotoi carried by ticks. In San Mateo County, the ticks that carry bacteria that cause this illness are Ixodes pacificus, the western black-legged tick. It is closely related to the bacteria that causes tick-borne relapsing fever. The infection is treatable with antibiotics. A person who has been bitten…

Rocky Mountain Spotted Fever

Rocky Mountain Spotted Fever (RMSF) is a bacterial disease (Rickettsia rickettsii) transmitted by ticks of the genus Dermacentor. These ticks are most common during spring and summer. Rocky Mountain Spotted Fever is very rare in San Mateo County.

Website Accessibility Policy

San Mateo County Mosquito and Vector Control District is fully committed to providing accessible facilities, elements and channels of communication to all members of the public. As part of this commitment, San Mateo County Mosquito and Vector Control District has a policy of providing an accessible website compatible with the Web Content Accessibility Guidelines (WCAG 2.1) and commercial screen reading software. All features of the website are coded to allow individuals with vision and other impairments to understand and use the website to the same degree as someone without disabilities. We welcome feedback and can often resolve issues in a timely manner if they arise.

If you need any special assistance or accommodations:

Call us at 6503448592

Ongoing Compliance Information

Compliance Officer

San Mateo County Mosquito and Vector Control District has designated a compliance officer for website disability-related accommodations. The compliance officer has received training in website accessibility and updates the site in accordance with those best practices. Contact our accessibility officer to report an issue.

Compliance Procedures and Reports

In addition to testing with users with a wide range of disabilities and coding our website to WCAG standards, San Mateo County Mosquito and Vector Control District regularly scans its website to ensure ongoing compliance, and makes timely changes to any inaccessible changes, if any are found.

Linked Documents and Third Parties

Please note that this site may link out to third-party websites, such as state or federal agencies, that do not have accessible content. This site may also include documents provided by third parties included in our agenda packets, for example. While we cannot control the accessibility of content provided by third parties, we are happy to assist any member of the public with reading and accessing content on our site.

See an opportunity for us to improve? Please contact our accessibility officer or call us at 6503448592.

Report a Website Accessibility Issue

We are committed to your ability to access all content, and we will respond to all requests as soon as possible.