Substantiation of Cumulative Coefficient Characterizing Epidemic Typhus Fever Transmission Activity Depending on Seasons
نویسندگان
چکیده
منابع مشابه
Jail fever (epidemic typhus) outbreak in Burundi.
We recently investigated a suspected outbreak of epidemic typhus in a jail in Burundi. We tested sera of nine patients by microimmunofluorescence for antibodies to Rickettsia prowazekii and Rickettsia typhi. We also amplified and sequenced from lice gene portions specific for two R. prowazekii proteins: the gene encoding for citrate synthase and the gene encoding for the rickettsial outer membr...
متن کاملStudies on Typhus Fever
1. The blood of guinea pigs convalescent from Old World and New World typhus infection develops agglutinating properties for the tunica and rat Rickettsiae of the New World diseases and for the louse Rickettsia of the Old World disease. 2. The two microorganisms are closely related, though probably not identical. 3. Human convalescents of both varieties of typhus develop agglutinins for both ty...
متن کاملFurther Studies on Typhus Fever
1. Guinea pigs can be actively immunized against European typhus fever with homologous formalinized Rickettsia tissue cultures, provided sufficient amounts are injected. The method is suggested for practical application in man. 2. Serovaccination against European typhus fever can be successfully applied to guinea pigs by a variety of methods, the simplest of which consists of the injection of m...
متن کاملTyphus Fever
The temperature at which tissue cultures infected with typhus Rickettsiae are incubated has been shown to exert a marked influence on the intracellular multiplication of Rickettsia prowazeki. At 41 degrees C. the organisms were not found in the cultures histologically on and after the 2nd day in vitro, and the cultures were non-virulent on and after the 3rd day in vitro, in spite of good preser...
متن کاملNotes on an Outbreak of Typhus Fever
a quarantine hospital. The room occupied by the feverpatient was in a dirty condition, and was almost destitute of furniture. The patient lay on a dilapidated bed, with old bags for bed-clothing; an old table and one or two ricketty chairs completed the furniture of the room. All the inmates were removed and the house closed up that same evening. On making further inquiries, I found that in a h...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Problems of Particularly Dangerous Infections
سال: 2009
ISSN: 0370-1069
DOI: 10.21055/0370-1069-2009-3(101)-22-23