
U.S. Lyme disease cases from 1996 to 2021
In 2021, there were 16,212 confirmed cases of Lyme disease in the United States. Lyme disease is a bacterial infection transmitted by ticks to humans. It is the most commonly reported vector-borne illness in the United States. This statistic displays the number of confirmed Lyme disease cases in the United States from 1996 to 2021.