TYPHUS FEVER

Typhus 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...

Typhus Fever in Bombay

32 3 8 106 235 Typhus From the beginning of June (1939) facilities for undertaking systematic laboratory investigation on cases of enteric fever became available and in consequence I have submitted every case of suspected enteric for close investigation. In cases where blood cultures and Widal tests proved negative, repeated tests were carried out on these cases for the typhus group and for und...

Studies 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...

Typhus Fever in Burma

Case 1.?Clinical assistant, aged 24, complained of fever associated with severe headache and general aches and pains one evening. On examination, temperature was found to be 100?F., pulse 75 per minute full and regular, throat congested, eyes red and face flushed. The fever rose and continued, associated with relatively slow pulse, splitting headache, mental confusion and general restlessness. ...

Typhus Fever in Gilgit