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detection of rickettsia parkeri from within piura, peru, and the first reported presence of candidatus rickettsia andeanae in the tick rhipicephalus sanguineus.domestic farm animals (n=145) were sampled for the presence of ectoparasites in northwestern peru during march, 2008. ninety domestic animals (62%) were positive for the presence of an ectoparasite(s) and produced a total collection of the following: 728 ticks [amblyomma maculatum, anocentor nitens, rhipicephalus (boophilus) microplus, rhipicephalus sanguineus, and otobius megnini], 12 lice (haematopinus suis), and 3 fleas (ctenocephalides felis). a rickettsia genus-specific qpcr assay was perfo ...201323488453
rickettsia (rickettsiales: rickettsiaceae) vector biodiversity in high altitude atlantic forest fragments within a semiarid climate: a new endemic area of spotted-fever in brazil.rickettsioses are re-emerging vector-borne zoonoses with a global distribution. recently, rickettsia sp. strain atlantic rainforest has been associated with new human spotted-fever (sf) cases in brazil, featuring particular clinical signs: eschar formation and lymphadenopathy. these cases have been associated with the tick species, amblyomma ovale from 2010 until 2015, the brazilian health department confirmed 11 human sf cases in the maciço de baturité region, ceará, brazil. the present study r ...201627480099
[detection of rickettsia andeanae in two regions of chile].candidatus 'rickettsia andeanae' is recently recognized specie, with no attributed pathogenic role so far. it has been reported in amblyomma ticks from peru, usa and argentina, and recently in chile, in one specimen of amblyomma triste from a rural locality in arica.201324248107
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