Learn to identify ticks here at Tickencounter.org.

The Lyme Research Alliance is a useful resource. Sign up for their newsletter.

The Wikipedia article on Lyme disease is comprehensive and informative.

Here's a great piece on the history of the "Lyme Wars" from the Boston Globe.

Mary Beth Pfeiffer was nominated for a Pulitzer Prize for her series on Lyme in the Poughkeepsie Journal. Here's her take on the Lyme Wars.

Another prominent group: LymeDisease.org.