Clinical manifestations of Lyme disease cases in the United States from 2001 to 2016

The data shows the percentage of confirmed cases of Lyme disease in the United States with select clinical manifestations from 2001 to 2016. During this time period, around 71% of those with Lyme disease had erythema migrans, while 30% experienced arthritis. Erythema migrans is a rash that is often seen in the early stages of Lyme disease. Lyme disease is a bacterial infection transmitted by ticks to humans. It is the most commonly reported vector-borne illness in the U.S.