منابع مشابه
Sexual and transovarian transmission of Crimean-Congo haemorrhagic fever virus in Hyalomma truncatum ticks.
Male Hyalomma truncatum ticks were inoculated with Crimean-Congo haemorrhagic fever (CCHF) virus, hypostomectomized and then allowed to mate with uninfected females feeding on a naive rabbit. After mating, CCHF virus was reisolated from 2 out of 3 males tested and from 4 of 6 mated, engorged females (titre greater than or equal to 2.2 log LD50/ml). Vertical transmission was then demonstrated by...
متن کاملCrimean-Congo haemorrhagic fever.
Crimean-Congo haemorrhagic fever (CCHF) is one of the most widespread arboviroses in the world. It is present in Africa, south-east Europe, the Middle East and Asia. It is caused by a nairovirus (Bunyaviridae family) transmitted by several species of ticks. The geographical distribution of the disease coincides with the distribution of Hyalomma ticks. While infected livestock do not show signs ...
متن کاملCrimean-Congo haemorrhagic fever
C rimean-Congo haemorrhagic fever (CCHF) is a zoonotic, vector-borne disease caused by a virus in the Bunyaviridae family, of the genus Nairovirus. This disease affects humans and animals very differently. In humans, CCHF can vary from asymptomatic infection to severe haemorrhagic fever, with death occurring in up to 30% of severely ill patients. Many other species of mammals and some birds can...
متن کاملEvidence of segment reassortment in Crimean-Congo haemorrhagic fever virus.
The complete nucleotide sequences of the small (S) and medium (M) segments of three independent strains of Crimean-Congo haemorrhagic fever (CCHF) virus isolated in Uzbekistan, Iraq and Pakistan have been determined. Partial S and M segment sequences from two additional strains and partial large segment sequences from five strains of CCHF virus have also been obtained. These data have been comp...
متن کاملCrimean-Congo haemorrhagic fever virus replication in adult Hyalomma truncatum and Amblyomma variegatum ticks.
The kinetics of the replication of the Crimean-Congo haemorrhagic fever virus (CCHFV) was studied in intra-anally inoculated adult Hyalomma truncatum and Amblyomma variegatum ticks. The virus was re-isolated by suckling mouse inoculation and revealed by antigen capture with ground ticks and indirect immunofluorescence of haemolymph. The virus was detected in ticks in the first hours post-inocul...
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ژورنال
عنوان ژورنال: Epidemiology and Infection
سال: 1991
ISSN: 0950-2688,1469-4409
DOI: 10.1017/s0950268800048524