| plague studies in california: a review of long-term disease activity, flea-host relationships and plague ecology in the coniferous forests of the southern cascades and northern sierra nevada mountains. | we review 28 years of long-term surveillance (1970-1997) for plague activity among wild rodents from ten locations within three coniferous forest habitat types in the northern sierra nevada and the southern cascade mountains of northeastern california. we identify rodent hosts and their fleas and document long-term plague activity in each habitat type. the highest seroprevalence for yersinia pestis occurred in the chipmunks, tamias senex and t. quadrimaculatus, and the pine squirrel, tamiasciuru ... | 2010 | 20618641 |