Map showing locations where flea-borne rickettsiae were detected and sites where opossum sera were positive for TGR IgG antibodies in Orange County, California, in 2011–2013.

Abstract

<p>Map showing locations where flea-borne rickettsiae were detected and sites where opossum sera were positive for TGR IgG antibodies in Orange County, California, in 2011–2013.</p