Spotted Tail

Spotted Fevers

Spotted fevers, which are caused by Rickettsia spp. in the spotted fever group (SFG), have been recognized in people for more than a hundred years. The clinical signs are broadly similar in all of these diseases, but the course ranges from mild and self-limited to severe and life-threatening. For a long time, spotted fevers were thought to be caused by only a few organisms, including Rickettsia...

Spotted Fever

Several methods for the experimental study of the rickettsial diseases have been applied to fièvre boutonneuse. An analysis of the results has indicated that fièvre boutonneuse is a variety of spotted fever and that the etiologic agent is a rickettsia which belongs to the genus Dermacentroxenus and to the species rickettsi (Wolbach (6)). The distinctive morphology of the organism and its charac...

Spotted hyenas

What are spotted hyenas? Spotted hyenas (Crocuta crocuta) are gregarious predatory mammals found throughout sub-Saharan Africa. They are the second largest African carnivores after lions, and they are more abundant than any other large carnivore in Africa. They look rather doglike, yet are more closely related to cats than dogs, and their closest living relatives are the mongooses and civets. A...

Israeli Spotted Fever, Tunisia

Epidemiologic investigation of our case-patients that included questioning relatives, patients, and butchers found that eating raw horse meat imported from Canada (patient 1) or Brazil (patient 2) was the most likely source of the parasites. The geographic origin of the horse meat eaten by patient 3 is unknown. Moreover, an atypical T. gondii strain was isolated after mouse inoculation with hor...

Tomato spotted wilt virus