Results 71 to 80 of about 1,656,336 (258)

Particle Size of Yellow Fever Virus

open access: yesExperimental Biology and Medicine, 1954
SummaryThe particle size of the 17 D strain of yellow fever virus has been determined as ranging from 29.2 to 31.4 mμ by the method of ultracentrifugation coupled with biological assay.
openaire   +2 more sources

Enzootic Transmission of Yellow Fever Virus, Venezuela

open access: yesEmerging Infectious Diseases, 2015
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.
Albert J. Auguste   +8 more
openaire   +5 more sources

Brazilian Flavivirus phylogeny based on NS5

open access: yesMemorias do Instituto Oswaldo Cruz, 2003
In this work, a comprehensive phylogenetic study based on 600 base pair nucleotide and on putative 200 amino acid sequences of NS5 was carried out in order to establish genetic relationships among 15 strains of 10 Brazilian flaviviruses: Bussuquara ...
Flávia Graciela Baleotti   +2 more
doaj   +1 more source

Timing is everything: The effect of early‐life seizures on developing neuronal circuits subserving spatial memory

open access: yesEpilepsia Open, EarlyView.
Abstract Spatial memory, the aspect of memory involving encoding and retrieval of information regarding one's environment and spatial orientation, is a complex biological function incorporating multiple neuronal networks. Hippocampus‐dependent spatial memory is not innate and emerges during development in both humans and rodents.
Gregory L. Holmes
wiley   +1 more source

Oral Susceptibility to Yellow Fever Virus of Aedes aegypti from Brazil

open access: yesMemorias do Instituto Oswaldo Cruz, 2002
The oral susceptibility to yellow fever virus was evaluated in 23 Aedes aegypti samples from Brazil. Six Ae. aegypti samples from Africa, America and Asia were also tested for comparison.
Ricardo Lourenço-de-Oliveira   +3 more
doaj   +1 more source

A chimeric yellow fever-Zika virus vaccine candidate fully protects against yellow fever virus infection in mice

open access: yesEmerging Microbes and Infections, 2020
The recent Zika virus (ZIKV) epidemic in the Americas, followed by the yellow fever virus (YFV) outbreaks in Angola and Brazil highlight the urgent need for safe and efficient vaccines against the ZIKV as well as much greater production capacity for the ...
Dieudonné Buh Kum   +6 more
doaj   +1 more source

Advanced Yellow Fever Virus Genome Detection in Point-of-Care Facilities and Reference Laboratories

open access: yes, 2012
Reported methods for the detection of the yellow fever viral genome are beset by limitations in sensitivity, specificity, strain detection spectra, and suitability to laboratories with simple infrastructure in areas of endemicity.
Nakoune, Emmanuel R   +8 more
core   +1 more source

Cross‐protective effect of a multicomponent fusion protein vaccine during a natural episode of Streptococcus zooepidemicus respiratory disease in ponies

open access: yesEquine Veterinary Journal, EarlyView.
Abstract Background Streptococcus equi subspecies zooepidemicus is a highly diverse opportunistic pathogen of horses, associated with respiratory disease and endometritis. Objectives To characterise S. zooepidemicus isolates recovered from young ponies during a natural episode of respiratory disease, and to determine if vaccination with Strangvac®, a ...
Romain Paillot   +8 more
wiley   +1 more source

Circulation of antibodies against yellow fever virus in a simian population in the area of Porto Primavera Hydroelectric Plant, São Paulo, Brazil Circulação de anticorpos contra o vírus amarílico em população simiana da região da usina hidrelétrica de Porto Primavera, São Paulo, Brasil

open access: yesRevista do Instituto de Medicina Tropical de São Paulo, 2010
Yellow fever (YF) is an acute viral infectious disease transmitted by mosquitoes which occurs in two distinct epidemiological cycles: sylvatic and urban.
Maura Antonia Lima   +2 more
doaj   +1 more source

Poor housing quality increases risk of rodent infestation and lassa fever in refugee camps of Sierra Leone [PDF]

open access: yes, 2007
Lassa fever, a viral hemorrhagic fever endemic in parts of West Africa, is a severe febrile illness transmitted to humans by the rodent Mastomys natalensis. To determine risk of Lassa fever in households in Sierra Leonean refugee camps, we analyzed the
Wolf-Peter Schmidt   +13 more
core   +1 more source

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