نتایج جستجو برای: scrub
تعداد نتایج: 3035 فیلتر نتایج به سال:
To investigate the risk factors of scrub typhus infection in Beijing, China, a case-control study was carried out. Cases (n = 56) were defined as persons who were diagnosed by PCR and serological method within three years. Three neighborhood control subjects were selected by matching for age and occupation. Living at the edge of the village, living in the houses near grassland, vegetable field ...
Scrub typhus is a rickettsial disease, caused by Orientia tsutsugamushi, which is transmitted via the bite of a chigger. This disease is one of the most important infectious diseases in the Asia-Pacific area; however, a severe infant case has not yet been reported. Here, we present the case of an 8-month-old boy with scrub typhus accompanied by hemophagocytic lymphohistiocytosis (HLH). His rapi...
Western scrub-jays are known for their highly discriminatory and flexible behaviors in a caching (food storing) context. However, it is unknown whether their cognitive abilities are restricted to a caching context. To explore this question, we tested scrub-jays in a non-caching context using the Aesop's Fable paradigm, where a partially filled tube of water contains a floating food reward and o...
Kim sJ et al, in a study, noted 58 patients of total 256 patients of scrub typhus had gastro-intestinal symptoms and were subjected to esophago-gastro-duodenoscopy. The endoscopic findings were graded as Grade I, normal, nonspecific hyperemia; Grade II, distinct hyperemia, petechiae, purpura; Grade III, superficial hemorrhage, erosion; and Grade IV, ulcer, active bleeding. In 83.3% of patients ...
We conducted a yearlong prospective study of febrile patients admitted to a tertiary referral hospital in Chittagong, Bangladesh, to assess the proportion of patients with rickettsial illnesses and identify the causative pathogens, strain genotypes, and associated seasonality patterns. We diagnosed scrub typhus in 16.8% (70/416) and murine typhus in 5.8% (24/416) of patients; 2 patients had inf...
scrub typhus and many other vector borne diseases are commonly seen in South Asia including Indian subcontinent. These infections have overlapping clinical manifestations and season of presentation. Scrub typhus or tsutsugamushi disease is a febrile illness caused by bacteria Orientia tsutsugamushi of the family Rickettsia. It is being reported from all parts of the Indian subcontinent though i...
Scrub typhus, an acute febrile infectious disease caused by R. tsutsugamushi, has been reported from various parts of the far east and pacific rim of Asia including Korea. It is well known that all human pathogenic rickettsia share an affinity to endothelial cells of the small blood vessels and evoke vascular inflammation variably associated with a rash, microthrombi, and hemorrhage. We infecte...
Humans and other animals often favour immediate gratification over long-term gain. Primates, including humans, appear more willing to wait for rewards than other animals, such as rats or pigeons. Another group displaying impressive patience are the corvids, which possess large brains and show sophisticated cognitive abilities. Here, we assess intertemporal choice in one corvid species, the West...
Orientia tsutsugamushi, an obligate intracellular Gram-negative bacterium, is the causative agent of scrub typhus, a vector-borne disease transmitted by infected chiggers (trombiculid mite larvae). In 2002, an outbreak of scrub typhus occurred among Royal Thai Army troops during the annual field training at a military base in Bothong district, Chonburi province, central Thailand. This report de...
Tick-borne rickettsioses are often acquired in rural settings within the endemic areas; however, urban transmission also occurs. Conversely, epidemic typhus, murine typhus, and rickettsialpox characteristically are acquired in urban and suburban settings, where the vectors are found in close contact with humans. Scrub typhus is transmitted by the larval stage of a mite associated with transitio...
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