Borrelia miyamotoi (which can cause Lyme-like symptoms but doesn't show up in typical Lyme testing) has been identified in northern California.

Borrelia miyamotoi (which can cause Lyme-like symptoms but doesn't show up in typical Lyme testing) has been identified in northern California.

http://www.redding.com/news/2013/feb/20/new-tick-borne-bacteria-found-in-shasta-county/