About 30,000 cases of Lyme disease are reported to the CDC each year, the agency says, but that doesn’t reflect every case that’s diagnosed. In fact, the CDC estimates about 329,000 cases of Lyme disease occur each year.
Infection is more common in males up to age 15 and between the ages of 40 and 60. Generally speaking, these are people who are likelier to play outside, and go camping, hunting, and hiking.