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How to Identify Squirrel Diseases and Symptoms 

Squirrels are typically harmless, rarely biting unless they’ve been cornered or feel threatened. They are capable of carrying and transmitting a handful of diseases, however, which makes their presence occasionally dangerous. The following are five diseases that squirrels potentially carry: 

  • Salmonellosis: Salmonella bacteria found in droppings causes diarrhea, abdominal cramps, and fever. 

  • Lyme disease: Spread by the ticks squirrels carry, symptoms include nerve pain, stiffness, and inflammation of the brain or spinal cord. 

  • Tularemia: Infectious disease that attacks the skin, eyes lymph nodes, and lungs. 

  • Leptospirosis:  Bacterial infection that causes fever, headache, vomiting, jaundice, and rash. 

  • Rabies: Though rare, sometimes squirrels pass this virus onto humans via biting or scratching. 

Many of these diseases are fatal when left untreated, so individuals should monitor for symptoms, and seek medical attention after coming in contact with squirrel urine or feces. Breathing in particles of the animal's excrement is the most common method of disease transmission. 

Preventing Disease 

The best way to prevent the spread of disease is to avoid contact with squirrels and their waste. We also encourage wearing gloves and masks in the case of an intrusion to reduce the possibility of contracting illnesses. 

Get Professional Help 

Contact professional wildlife removal services if you’ve identified a squirrel intrusion on your property. Never approach or handle squirrels as diseases can be transferred via urine, feces, scratches, and bites. Critter Control technicians are trained in the safe and humane removal of nuisance squirrels as well as damage repair.  


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