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Lyme disease is a growing problem in the United States.

From 1993 to 2003, the number of reported infections doubled to more than 20,000. But many other people with Lyme disease don't go to their doctor or to hospital.¹ Most infections happen in the north-eastern and north-central states. Children are more likely to get Lyme disease than adults.

More than 95 percent of infections in 2001 and 2002 occurred in the following 12 states:^{1 2}

• Connecticut
• Delaware
• Maine
• Maryland
• Massachusetts
• Minnesota
• New Hampshire
• New Jersey
• New York
• Pennsylvania
• Rhode Island
• Wisconsin.

This information is for educational use only, and is not a substitute for prompt professional medical advice. Readers should always consult a physician or other professional for advice and treatment. ©BMJ Publishing Group Limited 2008. All rights reserved.