Tick Distribution and Maps
Trusted guidance and direct answers about tick distribution and maps.
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Official map library
Current tick distribution and surveillance maps
Each map uses a different method. Presence, establishment, suitability, reported cases and disease risk are not interchangeable.
GBOfficial distribution records
UK Health Security Agency
Great Britain: Ixodes ricinus
Recorded distribution across England, Scotland and Wales. Open the official publication to read its legend and surveillance limitations.
Records through the end of 2023Open official GB map →USCounty surveillance map
US Centers for Disease Control and Prevention
United States: blacklegged ticks
County-level surveillance status for Ixodes scapularis and Ixodes pacificus. Surveillance status is not a personal-risk forecast.
Surveillance data through 2025Open official US map →CAInteractive risk areas
Public Health Agency of Canada
Canada: Lyme disease risk areas
Provincial and territorial surveillance identifies risk areas while acknowledging that infected ticks may occur outside marked locations.
2025 risk-area informationOpen official Canada map →
ECDC and EFSA
Europe: Ixodes ricinus
Current known distribution compiled from VectorNet surveillance. Absence of reported data does not necessarily mean the tick is absent.
April 2026Open official Europe map →AURegional guidance
NSW Health
Australia: regional tick guidance
Australia does not currently offer a directly comparable national human-tick distribution map. This card links to official regional exposure guidance without implying national coverage.
Check the authority page for updatesOpen official guidance →Read maps carefully
Presence means a verified record exists. Established means a surveillance threshold has been met. Suitability is modelled habitat. No data is not the same as no ticks.
Sources checked July 2026. Always use the date and legend shown by the issuing authority.
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Medical and veterinary information
Information in the VuxLore® Tick Knowledge Centre is provided for general educational purposes and is not a substitute for professional medical or veterinary advice. Seek advice from a qualified doctor, veterinarian or other appropriate healthcare professional if you are concerned about a tick bite, symptoms, illness, or the health of an animal.
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