Lyme Disease in Colorado
Lyme disease is a bacterial infection transmitted through infected blacklegged tick bites. It's the most common vector-borne disease in the United States with about 476,000 cases diagnosed annually. Track Lyme Disease activity and outbreaks specific to Colorado.
What is Lyme Disease?
Lyme disease is caused by Borrelia burgdorferi bacteria. If caught early with the characteristic bull's-eye rash, it's easily treated with antibiotics. However, delayed treatment can lead to serious complications affecting joints, heart, and nervous system.
Symptoms
- Expanding red bull's-eye rash
- Fever and chills
- Fatigue
- Headache and stiff neck
- Muscle and joint aches
- Swollen lymph nodes
- Later: Severe joint pain, facial paralysis, heart issues
Transmission
Transmitted through infected blacklegged tick bites. Ticks must be attached 36-48 hours. Not contagious person-to-person.
Contagious Period: Not contagious between people
Prevention
- Use insect repellents (DEET, picaridin)
- Wear light-colored clothing, long sleeves/pants
- Walk in center of trails
- Full body tick checks after outdoors
- Shower within 2 hours of being outside
- Treat clothing with permethrin
- Remove leaf litter around home
- Prompt tick removal with tweezers
Colorado Health Resources
Local health department information and state-specific prevention guidance
We're Monitoring Colorado
Our AI-powered surveillance continuously monitors Lyme Disease activity across Colorado. We track data from state health departments, local hospitals, CDC reports, and 50+ global health sources to provide early warning of emerging threats.
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Colorado Health Department
For official state health alerts, vaccination locations, and public health guidance specific to Colorado, visit your state health department's website.
Protecting Yourself in Colorado
Whether you live in Colorado, are traveling there, or have family in the state, understanding Lyme Disease prevention is essential. Follow these evidence-based prevention measures:
Prevention Measures
- Use insect repellents (DEET, picaridin)
- Wear light-colored clothing, long sleeves/pants
- Walk in center of trails
- Full body tick checks after outdoors
- Shower within 2 hours of being outside
- Treat clothing with permethrin
- Remove leaf litter around home
- Prompt tick removal with tweezers
When to Seek Care
If you experience symptoms of Lyme Disease in Colorado, contact your healthcare provider immediately. Early diagnosis and treatment improve outcomes significantly.
Emergency symptoms: If you experience severe symptoms, difficulty breathing, or signs of dehydration, call 911 or go to your nearest emergency room.
Expert Resources & References
Trusted information from leading health organizations
WHO
Global disease surveillance and guidelines from the World Health Organization
View WHO Resources →Medically Reviewed Content
Disease information on Virus Watcher is reviewed by our Chief Epidemiologist, a former CDC lead analyst for FluSight forecasting. Outbreak data is aggregated from verified sources including BEACON, ProMED, WHO, CDC, and 50+ national health agencies. This information is for educational purposes and should not replace professional medical advice.
Last reviewed: 2026-03-05
Frequently Asked Questions
Common questions about Lyme Disease answered by our epidemiology team
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