Higher Prevalence of than in Small Mammal Species in Central Pennsylvania, United States.

can lead to severe babesiosis in immunosuppressed populations, but due to high numbers of asymptomatic cases, clinical reporting is unable to define its geographic distribution. Although Lyme disease caused by is endemic throughout Pennsylvania (PA), human babesiosis is under recognized, despite sharing the same vector and primary reservoir host. ticks are known to carry throughout PA, but information about pathogen prevalence in small mammal reservoirs remains limited.