منابع مشابه
The Transmission of Yellow Fever
1. Saimiri sciureus has been infected with yellow fever virus, both by the inoculation of infectious blood and by the bites of infective mosquitoes. Some of the monkeys have died, showing lesions, including hepatic necrosis, suggesting yellow fever as seen in human beings and in rhesus monkeys. Virus has been transferred back to M. rhesus from infected Saimiri both by blood inoculation and by m...
متن کاملPerinatal Transmission of Yellow Fever, Brazil, 2009
with verocytotoxin-producing Escherich-ia coli O157—10 years of serodiagno-sis. toxin gene loss and transfer in vitro and in vivo during enterohemorrhagic Esche-richia coli O26 infection in humans. To the Editor: Although urban cases of yellow fever have not been reported in Brazil since 1942, sylvatic yellow fever is still endemic to the northern and middle-western states. In the past decade, ...
متن کاملEnzootic Transmission of Yellow Fever Virus, Venezuela
Phylogenetic analysis of yellow fever virus (YFV) strains isolated from Venezuela strongly supports YFV maintenance in situ in Venezuela, with evidence of regionally independent evolution within the country. However, there is considerable YFV movement from Brazil to Venezuela and between Trinidad and Venezuela.
متن کاملThe Transmission of Neurotropic Yellow Fever Virus by Stegomyia Mosquitoes
1. By the bites of stegomyia mosquitoes carrying neurotropic yellow fever virus, encephalitis has been produced both in white mice and in rhesus monkeys. 2. The fixed neurotropic strain of virus cannot be maintained in the mosquito host as well as can the viscerotropic strains. This is doubtless attributable in part to a smaller amount of virus ingested, because of paucity in the blood stream o...
متن کاملEnzootic Transmission of Yellow Fever Virus in Peru
The prevailing paradigm of yellow fever virus (YFV) ecology in South America is that of wandering epizootics. The virus is believed to move from place to place in epizootic waves involving monkeys and mosquitoes, rather than persistently circulating within particular locales. After a large outbreak of YFV illness in Peru in 1995, we used phylogenetic analyses of virus isolates to reexamine the ...
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ژورنال
عنوان ژورنال: The Lancet
سال: 1903
ISSN: 0140-6736
DOI: 10.1016/s0140-6736(01)36337-7