نتایج جستجو برای: arthropod vectors
تعداد نتایج: 73051 فیلتر نتایج به سال:
Geographic Distribution Wesselsbron virus has been isolated from vertebrates or arthropod vectors in several countries in southern Africa including Cameroon, the Central African Republic, Nigeria, Senegal, South Africa, Uganda, and Zimbabwe. There is serological evidence of its presence in other sub-Saharan countries in Africa including the island of Madagascar. In addition, this virus has been...
Geographic Distribution Wesselsbron virus has been isolated from vertebrates or arthropod vectors in several countries in southern Africa including Cameroon, the Central African Republic, Nigeria, Senegal, South Africa, Uganda, and Zimbabwe. There is serological evidence of its presence in other sub-Saharan countries in Africa including the island of Madagascar. In addition, this virus has been...
ticks are vectors of some important arthropod-borne diseases in both fields of veterinary and medicine, such as lyme, tularemia, rocky mountain spotted fever, and some types of encephalitis as well as crimean congo hemorrhagic fever (cchf). iran is known as one of the main foci of cchf in west of asia. this study was conducted in darrehshahr county because of the development of animal husbandry...
The traditional assumption that vector-borne pathogens should evolve towards a benign relationship with their arthropod vectors has been challenged on theoretical grounds and empirical evidence. However, in the case of arboviruses (arthropod-borne viruses), although a number of investigators have reported experimental evidence for virus-induced vector mortality, others have failed to detect any...
Arboviruses are transmitted by distantly related arthropod vectors such as mosquitoes (class Insecta) and ticks (class Arachnida). RNA interference (RNAi) is the major antiviral mechanism in arthropods against arboviruses. Unlike in mosquitoes, tick antiviral RNAi is not understood, although this information is important to compare arbovirus/host interactions in different classes of arbovirus v...
The bacterium Francisella tularensis causes the vector-borne zoonotic disease tularemia, and may infect a wide range of hosts including invertebrates, mammals and birds. Transmission to humans occurs through contact with infected animals or contaminated environments, or through arthropod vectors. Tularemia has a broad geographical distribution, and there is evidence which suggests local emergen...
Rickettsioses and bartonelloses are arthropod-borne diseases of mammals with widespread geographical distributions. Yet their occurrence in specific regions, their association with different vectors and hosts and the infection rate of arthropod-vectors with these agents remain poorly studied in South-east Asia. We conducted entomological field surveys in the Lao PDR (Laos) and Borneo, Malaysia ...
Diseases caused by arthropod-borne viruses (arboviruses), such as Dengue, West Nile, and Chikungunya, constitute a major global health burden and are increasing in incidence and geographic range. The natural microbiota of insect vectors influences various aspects of host biology, such as nutrition, reproduction, metabolism, and immunity, and recent studies have highlighted the ability of insect...
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