Publications

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additional instances of human parasitism by the brown dog tick (acari: ixodidae).nine cases of humans parasitized by the brown dog tick, rhipicephalus sanguineus (latreille), are reported. eight cases occurred during 1989. seven of the individuals were from an apparent focus of human biting in northern texas and southwestern oklahoma, one case was from san antonio, bexar county, tex., and one case was from homestead air force base, dade county, fla. these cases suggest that the role of r. sanguineus in the transmission of the etiologic agent of canine ehrlichiosis and other ...19902280392
focus of human parasitism by the brown dog tick, rhipicephalus sanguineus (acari: ixodidae).throughout most of its range, the brown dog tick, rhipicephalus sanguineus (latreille), prefers dogs as a host, but human bites occasionally occur in the mediterranean region and central america; historically, this species has rarely bitten humans in the united states. a focus of 15 human bite cases by this tick is reported from four air force bases located within 200 miles of each other in north central texas and southwestern oklahoma. the sudden appearance of numerous documented bite cases ind ...19892585458
babesiosis in the greyhound.babesiosis was diagnosed in five 11- to 18-day old greyhound pups. in 3 pups, babesia canis organisms were identified by examination of a wright's-giemsa-stained smear of blood. in 2 pups, the diagnosis was established by examination of a splenic impression smear obtained at necropsy. findings in the 3 clinical cases included depression, weakness, anorexia, pallor, anemia, and thrombocytopenia. subcutaneous administration of diminazene aceturate resulted in rapid clinical recovery in these cases ...19836853321
a molecular and serologic survey of ehrlichia canis, e. chaffeensis, and e. ewingii in dogs and ticks from oklahoma.polymerase chain reaction and southern hybridization were used to survey for the presence of ehrlichia canis, ehrlichia chaffeensis, and ehrlichia ewingii in blood samples of 65 dogs that harbored ticks from northcentral and northeastern oklahoma. dog blood samples were also examined for antibodies against e. canis and e. chaffeensis, using an immunofluorescent antibody test. ten of 65 dogs (15.4%) examined were positive for ehrlichia spp. by pcr. four (6.2%) were positive for e. ewingii, 2 (3.1 ...19989831955
american canine hepatozoonosis. an emerging disease in the new world.hepatozoon canis was first described from dogs in 1905 in india and rhipicephalus sanguineus was identified as the vector. dogs on the texas gulf coast were recognized in 1978 to have hepatozoonosis, and it was thought that h. canis had entered the new world. later, it was realized that american canine hepatozoonosis (ach) is more debilitating than its old world counterpart, often resulting in death. when the malady and parasite were characterized, a new species, h. americanum, was described, in ...200011193705
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