密歇根新闻广播 人可以注射莱姆病疫苗（在线收听）

If you're out in wooded or brushy areas this summer and want to avoid Lyme disease, here's the advice of the day: Wear long sleeves and pants, and check yourself frequently for ticks, which spread the disease.

But for a time in the late 1990s and early 2000s, people had the option to take an even more preventative measure: They could get a Lyme disease vaccine.

Dr. Robert Aronowitz, medical doctor and a professor at the University of Pennsylvania, joined Stateside to explain the history of Lyme disease in this country, and why getting a vaccine against the infection is no longer an option.