نتایج جستجو برای: xenopsylla cheopis
تعداد نتایج: 171 فیلتر نتایج به سال:
Identifying key reservoirs for zoonoses is crucial for understanding variation in incidence. Plague re-emerged in Mahajanga, Madagascar in the 1990s but there has been no confirmed case since 1999. Here we combine ecological and genetic data, from during and after the epidemics, with experimental infections to examine the role of the shrew Suncus murinus in the plague epidemiological cycle. The...
A new public health problem arises from animal trypanosomes that afflict human by a disease called atypical human trypanosomiasis. Although humans have an innate protection against most Trypanosoma species, nineteen cases of atypical human trypanosomiasis caused by the animal trypanosome as T. b. brucei, T. vivax, T. congolense, T. evansi and T. lewisi have been recorded. Some of theserecorded ...
Effects of Temperature on Early-Phase Transmission of Yersina pestis by the Flea, Xenopsylla cheopis
زمینه: شهرستان تنگستان در حال حاضر یکی از کانونهای لیشمانیوز جلدی روستایی (zoonotic cutaneous leishmaniasis) در استان بوشهر میباشد. جوندگان از مهمترین مخازن انگل این بیماری (leishmania major) بوده و تاکنون چهار گونه از آنها بهعنوان مخازن اصلی بیماری در کشور شناسایی شدهاند. این مطالعه در سالهای 93-92 با هدف شناسایی گونههای جوندگان و تعیین میزان آلودگی آنها به انگل لیشمانیا در شهرستان تنگس...
Fleas are the vectors of many communicable diseases that are normally found in oriental rats. Climate and environmental changes influence the habitat and migration patterns of vectors. In this study, the oriental rat flea abundance, represented as total flea index, was determined in correlation to host specificity and various environmental factors. The number of hosts and fleas calculated from ...
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