SCRUB TYPHUS FEVER

Fever and Scrub Typhus Rickettsiae

The rickettsiae have always been difficult to study because convenient titration and isolation techniques have not been available for the study of these organisms. In recent reports (3, 5), however, we demonstrated the use of a sensitive plaque test for measuring concentrations of typhus and spotted fever rickettsiae. Studies were then initiated to determine whether this assay system is appropr...

Scrub-typhus.

Scrub typhus is an important emerging tropical infection that can have severe manifestations in children leading to intensive care admission. It is caused by Orientia tsutsugamushi, a gram negative bacterium transmitted to humans by the bite of larval trombiculid mites. The organism is endemic in south-east Asia and the disease is reported from virtually all parts of India. The hallmark of this...

Acute Q Fever and Scrub Typhus, Southern Taiwan

Acute Q fever and scrub typhus are zoonoses endemic to southern Taiwan. Among the 137 patients with acute Q fever (89, 65.0%) or scrub typhus (43, 31.4%), we identified 5 patients (3.6%) who were co-infected with Coxiella burnetii and Orientia tsutsugamushi.

Seroprevalence of Scrub Typhus, Typhus, and Spotted Fever Among Rural and Urban Populations of Northern Vietnam

AbstractRickettsial infections are recognized as important causes of fever throughout southeast Asia. Herein, we determined the seroprevalence to rickettsioses within rural and urban populations of northern Vietnam. Prevalence of individuals with evidence of prior rickettsial infections (IgG positive) was surprisingly low, with 9.14% (83/908) testing positive to the three major rickettsial sero...

Scrub typhus complicating pregnancy.