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Protect Yourself from Hantavirus & Rodent-Borne Diseases in San Diego

A warning to our neighbors who live near or camp in the fields, mountains, or canyons of San Diego County: wild mice may be cute but the diseases they carry are very, VERY, ugly. Learn how to protect yourself from hantavirus and other rodent-borne diseases.

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First, the problem. Would you be surprised that seven mice have tested positive for hantavirus so far in 2025? These mice were all captured and tested through the San Diego County Vector Control hantavirus monitoring program. Wild mice contaminate their surroundings by shedding hantavirus in their saliva, urine, and droppings. People are exposed to hantavirus by breathing contaminated dust after disturbing or cleaning rodent droppings or nests in a home, garage, shed, or campground, or by living or working in rodent-infested areas.
 

 
Thrasher Pest supports San Diego County Department of Environmental Health & Quality in its effort to keep you armed with knowledge. Below are links to specific hantavirus topics. Remember the advice for protecting yourself from hantavirus also applies to protecting yourself from most rodent borne diseases including leptospirosis, rat-bite fever, salmonellosis, and lymphocytic choriomeningitis (LCMV). If you need help securing your home from rodents or cleaning up contamination in the attic or subarea spaces, contact Thrasher Pest.
 
San Diego County Resources:
 
Centers for Disease Control (CDC)
 

Contributor

Garrett Thrasher

Co-owner & General Manager, Thrasher Pest

Garrett Thrasher is the Co-owner and General Manager of Thrasher Pest, where he leads day-to-day operations for the company’s growing San Diego team. With decades of hands-on industry experience, he specializes in termite control, bed bug management, and solving complex pest problems with practical, long-term solutions.

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San Diego's Pest Control FAQs

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What pests are covered in your pest control services?

Thrasher Pest Control provides solutions for a wide range of common pests affecting San Diego’s homes and businesses. Services commonly address ants, cockroaches, spiders, rodents, termites, fleas, and other structural or seasonal pests common to Southern California properties. During an inspection, technicians identify the pest activity affecting the property and recommend the most appropriate treatment approach based on the infestation and conditions present.

Response times depend on scheduling availability and the type of service requested. In many cases, technicians are able to schedule service within a short timeframe after a request is received. During the initial contact, the team reviews the pest concern and schedules the earliest available appointment for inspection and treatment.

Preparation requirements vary depending on the type of pest and treatment being performed. For most general pest services, minimal preparation is needed beyond allowing technicians access to key areas of the home and exterior. For specialty services such as bed bug treatments or termite work, the team may provide specific preparation instructions before the scheduled appointment.

Most pest control services begin with a detailed inspection of the property to identify pest activity, entry points, and conditions that may attract pests. After the inspection, technicians apply targeted treatments to affected areas using methods appropriate for the pest involved. Preventive measures such as sealing entry points, removing attractants, and monitoring pest activity are then recommended to help reduce future infestations.

Thrasher Pest Control offers a limited warranty period after the initial treatment. If the target pest is found again in the previously treated area during the warranty period, technicians may return to re-treat the area according to the service agreement. Warranty eligibility depends on the service provided and the property conditions being maintained as recommended by the technician.