The bartonella one gets from the xithes (or something like that) tick, is the same family as cat scratch fever from cats, but different. It isn't generally tested for. There are many families of bartonella, and people bitten by ticks get a different on from people scratched from cats. If only life were simpler.
But LLMDs (lyme literate MDs) think that bartonella causes more cns symptoms (fogginess, word problems) than the lyme itself. Also neuropsych symptoms--depression, irritabilit..
Here are some youtubes, on bartonella, and on life with lyme and its co-infections.
http://www.youtube.com/watch?v=CVeXV...eature=related
http://www.youtube.com/watch?v=UC7ky...eature=related
http://www.youtube.com/watch?v=uOOX0lJYnKY