Lymphocytic Choriomeningitis
Veterinary & Aquatic Services Department, Drs. Foster & Smith

MiceWhat is lymphocytic choriomeningitis?
Lymphocytic choriomeningitis is a very uncommon viral disease of pet mice, hamsters, and guinea pigs. It also occurs in wild mice.

How is the virus transmitted?
The virus can be transmitted through the urine, saliva or feces and from a pregnant mother to her offspring.

What are the symptoms of lymphocytic choriomeningitis in small pets?
Many small pets infected with the virus do not show signs of disease. If symptoms do occur, they include weight loss, avoidance of light, tremors, and convulsions.

How are small pets with lymphocytic choriomeningitis treated?
There is no specific treatment for this disease. Supportive care is given.

Can lymphocytic choriomeningitis be transmitted to people?
Yes. It is transmitted through contact with urine or feces or through a bite wound. It is more likely to be transmitted from wild mice than small pets. People infected with the virus may not become ill or may have symptoms similar to the flu, with headache, fever, muscle pain, fatigue, and arthritis. In more severe cases brain infections can occur. To prevent exposure to the virus that causes lymphocytic choriomeningitis and other diseases, wear gloves when cleaning the cage. Eliminate any wild rodent populations and prevent your small pet from having exposure to them.

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