| serotypes of tick-borne spotted fever group rickettsiae from western california. | a rickettsial survey of ixodid ticks known to bite man was conducted in 1979 in four coastal counties of california to obtain isolates from tick species that might be involved in the transmission of spotted fever-like illnesses, and to examine serologic characteristics of the rickettsiae relative to defined members of the spotted fever group (sfg). one hundred and seventy (19.4%) of 877 ticks comprising three species were shown by hemolymph test to harbor rickettsia-like organisms. a total of 85 ... | 1981 | 6789691 |
| the eco-epidemiology of pacific coast tick fever in california. | rickettsia philipii (type strain "rickettsia 364d"), the etiologic agent of pacific coast tick fever (pctf), is transmitted to people by the pacific coast tick, dermacentor occidentalis. following the first confirmed human case of pctf in 2008, 13 additional human cases have been reported in california, more than half of which were pediatric cases. the most common features of pctf are the presence of at least one necrotic lesion known as an eschar (100%), fever (85%), and headache (79%); four ca ... | 2016 | 27706171 |
| rickettsia 364d: a newly recognized cause of eschar-associated illness in california. | four spotted fever group rickettsiae (sfgr) are known to infect humans in the united states. a member of the sfgr designated 364d and detected in dermacentor occidentalis ticks has not previously been identified as a human pathogen. | 2010 | 20073993 |