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Lyme Disease and Animals Lyme disease is a bacterial disease caused by Borrelia burgdorferi (boar-ELL-ee-uh burg-dorf-ERR-eye). Within 1 to 2 weeks of being infected, people may have a "bull's-eye" rash with fever, headache, and muscle or joint pain. Some people have Lyme disease and do not have any early symptoms. Other people have a fever and other "flu-like" symptoms without a rash. After several days or weeks, the bacteria may spread throughout the body of an infected person. These people can get symptoms such as rashes in other parts of the body, pain that seems to move from joint to joint, and signs of inflammation of the heart or nerves. If the disease is not treated, a few patients can get additional symptoms, such as swelling and pain in major joints or mental changes, months after getting infected. Can animals transmit Lyme disease to me? Yes, but not directly. People get Lyme disease when they are bitten by ticks carrying B. burgdorferi. Ticks that carry Lyme disease are very small and can be hard to see. These tiny ticks bite mice infected with Lyme disease and then bite people or other animals, such as dogs and horses, passing the disease to them. How can I protect myself from Lyme disease?
How can I find more information about Lyme disease? Learn more about Lyme disease, including answers to frequently asked questions, the natural history of Lyme disease and a narrated documentary, at CDC's Lyme disease web site. |
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