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https://www.readbyqxmd.com/read/28336123/yellow-fever-outbreak-in-brazil-2017
#1
Luciano Z Goldani
No abstract text is available yet for this article.
March 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28333617/yellow-fever-in-a-traveller-returning-from-suriname-to-the-netherlands-march-2017
#2
Marjan Wouthuyzen-Bakker, Marjolein Knoester, Aad P van den Berg, Corine H GeurtsvanKessel, Marion Pg Koopmans, Coretta Van Leer-Buter, Bob Oude Velthuis, Suzan D Pas, Wilhelmina Lm Ruijs, Jonas Schmidt-Chanasit, Stephen Gs Vreden, Tjip S van der Werf, Chantal Bem Reusken, Wouter Fw Bierman
A Dutch traveller returning from Suriname in early March 2017, presented with fever and severe acute liver injury. Yellow fever was diagnosed by (q)RT-PCR and sequencing. During hospital stay, the patient's condition deteriorated and she developed hepatic encephalopathy requiring transfer to the intensive care. Although yellow fever has not been reported in the last four decades in Suriname, vaccination is recommended by the World Health Organization for visitors to this country.
March 16, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28331804/infected-ascites-distinguishing-secondary-peritonitis-from-spontaneous-bacterial-peritonitis-in-a-cirrhotic-patient-with-classic-symptoms
#3
Marvin Louis Roy Lu, Akanksha Agarwal, Josh Sloan, Aaron Kosmin
INTRODUCTION: Spontaneous bacterial peritonitis can be differentiated from secondary bacterial peritonitis by the absence of a surgically treatable intra-abdominal source of infection. However, oftentimes this is unapparent and other clinical clues need to be sought after to make the right diagnosis. CASE: A 64-year-old woman was admitted because of three days of worsening diffuse abdominal pain and distention. She was morbidly obese and had a history of non-alcoholic steatohepatitis (NASH) cirrhosis...
2017: IDCases
https://www.readbyqxmd.com/read/28320313/retention-of-duplicated-long-wavelength-opsins-in-mosquito-lineages-by-positive-selection-and-differential-expression
#4
Gloria I Giraldo-Calderón, Michael J Zanis, Catherine A Hill
BACKGROUND: Opsins are light sensitive receptors associated with visual processes. Insects typically possess opsins that are stimulated by ultraviolet, short and long wavelength (LW) radiation. Six putative LW-sensitive opsins predicted in the yellow fever mosquito, Aedes aegypti and malaria mosquito, Anopheles gambiae, and eight in the southern house mosquito, Culex quinquefasciatus, suggest gene expansion in the Family Culicidae (mosquitoes) relative to other insects. Here we report the first detailed molecular and evolutionary analyses of LW opsins in three mosquito vectors, with a goal to understanding the molecular basis of opsin-mediated visual processes that could be exploited for mosquito control...
March 21, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28317380/systems-biology-reveals-ns4b-cyclophilin-a-interaction-a-new-target-to-inhibit-yfv-replication
#5
Alessandra Vidotto, Ana T S Morais, Milene Rocha Ribeiro, Carolina C Pacca, Ana C B Terzian, Laura H V G Gil, Ronaldo Mohana-Borges, Philippe Gallay, Mauricio L Nogueira
Yellow fever virus (YFV) replication is highly dependent upon host cell factors. YFV NS4B is reported to be involved in viral replication and immune evasion. Here, interactions between NS4B and human proteins were determined using a GST pull-down assay and analyzed using 1- DE and LC-MS/MS. We present a total of 207 proteins confirmed using Scaffold 3 Software. Cyclophilin A (CypA), a protein which has been shown to be necessary for the positive regulation of flavivirus replication, was identified as a possible NS4B partner...
March 20, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28316305/the-statesmanship-of-william-crawford-gorgas-m-d-surgeon-general-medical-corps-united-states-army
#6
Roy E Gandy, Raven M Christopher, Charles B Rodning
If statesmanship can be characterized as a bed rock of principles, a strong moral compass, a vision, and an ability to articulate and effect that vision, then the fortitude, tenacity, imperturbability, and resilience of William Crawford Gorgas cannot be overestimated. As Chief Sanitary Officer in Cuba and as Chief Medical Officer in Panama, he actualized strategies to eradicate the vectors of yellow fever and malaria. His superiors initially pigeonholed his requisitions, refused to provide him with any authority, and clamored for his dismissal...
March 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28303655/cholangiohepatitis-in-dairy-cattle-13-cases
#7
D E Gomez, E Doré, D Francoz, A Desrochers, H Pierre, G Fecteau
BACKGROUND: The signalment, clinicopathologic, bacteriological, histopathological, ultrasonographic characteristics, and the treatment and outcomes of adult cattle with cholangiohepatitis are poorly defined. ANIMALS: Thirteen Holstein cows with cholangiohepatitis. METHODS: Retrospective study of medical records of cattle admitted to the CHUV and the AVC between 1992 and 2012 and 2000 and 2012, respectively, for cattle older than 3 months of age with a histopathological diagnosis of cholangiohepatitis...
March 16, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28301446/notes-from-the-field-investigation-of-patients-testing-positive-for-yellow-fever-viral-rna-after-vaccination-during-a-mass-yellow-fever-vaccination-campaign-angola-2016
#8
Andrew T Boyd, Diambi Dombaxe, Rosa Moreira, M S Oliveira, Eusebio Manuel, Carlos Navarro Colorado, Tatiana M Lanzieri
No abstract text is available yet for this article.
March 17, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28301394/effects-on-the-anti-abo-titers-of-military-blood-donors-from-a-predeployment-vaccination-program
#9
Olle Berséus
BACKGROUND: The use of blood group O as "universal blood" for emergency whole blood transfusions carries the risk for a hemolytic transfusion reaction mediated by incompatible A-/B-antibodies. This risk can be minimized by assuring that the donor has a low titer of anti-A and anti-B. The level of these naturally occurring antibodies have been shown to be increased by vaccination with most biologically derived vaccines. This boostering effect has been investigated for the new generation of vaccines...
March 15, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28301270/japanese-encephalitis-vaccines-immunogenicity-protective-efficacy-effectiveness-and-impact-on-the-burden-of-disease
#10
Nagendra R Hegde, Milind M Gore
Japanese encephalitis (JE) is a serious public health concern in most of Asia. The disease is caused by JE virus (JEV), a flavivirus transmitted by Culex mosquitoes. Several vaccines have been developed to control JE in endemic areas as well as to protect travelers and military personnel who visit or are commissioned from non-endemic to endemic areas. The vaccines include inactivated vaccines produced in mouse brain or cell cultures, live attenuated vaccines, and a chimeric vaccine based on the live attenuated yellow fever virus 17D vaccine strain...
February 22, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28296373/-the-fourth-horseman-the-yellow-fever
#11
Alfonso Vallejos-Parás, David Alejandro Cabrera-Gaytán
Dengue virus three, Chikunguya and Zika have entered the national territory through the south of the country. Cases and outbreaks of yellow fever have now been identified in the Americas where it threatens to expand. Although Mexico has a robust epidemiological surveillance system for vector-borne diseases, our country must be alert in case of its possible introduction into the national territory. This paper presents theoretical assumptions based on factual data on the behavior of yellow fever in the Americas, as well as reflections on the epidemiological surveillance of vector-borne diseases...
March 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28290449/single-cell-tracking-of-flavivirus-rna-uncovers-species-specific-interactions-with-the-immune-system-dictating-disease-outcome
#12
Florian Douam, Gabriela Hrebikova, Yentli E Soto Albrecht, Julie Sellau, Yael Sharon, Qiang Ding, Alexander Ploss
Positive-sense RNA viruses pose increasing health and economic concerns worldwide. Our limited understanding of how these viruses interact with their host and how these processes lead to virulence and disease seriously hampers the development of anti-viral strategies. Here, we demonstrate the tracking of (+) and (-) sense viral RNA at single-cell resolution within complex subsets of the human and murine immune system in different mouse models. Our results provide insights into how a prototypic flavivirus, yellow fever virus (YFV-17D), differentially interacts with murine and human hematopoietic cells in these mouse models and how these dynamics influence distinct outcomes of infection...
March 14, 2017: Nature Communications
https://www.readbyqxmd.com/read/28289727/seroprevalence-of-zika-virus-in-wild-african-green-monkeys-and-baboons
#13
Connor R Buechler, Adam L Bailey, Andrea M Weiler, Gabrielle L Barry, Meghan E Breitbach, Laurel M Stewart, Anna J Jasinska, Nelson B Freimer, Cristian Apetrei, Jane E Phillips-Conroy, Clifford J Jolly, Jeffrey Rogers, Thomas C Friedrich, David H O'Connor
Zika virus (ZIKV) has recently spread through the Americas and has been associated with a range of health effects, including birth defects in children born to women infected during pregnancy. Although the natural reservoir of ZIKV remains poorly defined, the virus was first identified in a captive "sentinel" macaque monkey in Africa in 1947. However, the virus has not been reported in humans or nonhuman primates (NHPs) in Africa outside Gabon in over a decade. Here, we examine ZIKV infection in 239 wild baboons and African green monkeys from South Africa, the Gambia, Tanzania, and Zambia using combinations of unbiased deep sequencing, quantitative reverse transcription-PCR (qRT-PCR), and an antibody capture assay that we optimized using serum collected from captive macaque monkeys exposed to ZIKV, dengue virus, and yellow fever virus...
March 2017: MSphere
https://www.readbyqxmd.com/read/28281864/vaccines-licensed-and-in-clinical-trials-for-the-prevention-of-dengue
#14
J Torresi, G Ebert, M Pellegrini
Dengue has become a major global public health threat with almost half of the world's population living in at-risk areas. Vaccination would likely represent an effective strategy for the management of dengue disease in endemic regions, however to date there is only one licensed preventative vaccine for dengue infection. The development of a vaccine against dengue virus (DENV) has been hampered by an incomplete understanding of protective immune responses against DENV. The most clinically advanced dengue vaccine is the chimeric yellow fever-dengue vaccine (CYD) that employs the yellow fever virus 17D strain as the replication backbone (Chimerivax-DEN; CYD-TDV)...
February 14, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28278656/repellency-of-the-origanum-onites-l-essential-oil-and-constituents-to-the-lone-star-tick-and-yellow-fever-mosquito
#15
John F Carroll, Betul Demirci, Matthew Kramer, Ulrich R Bernier, Natasha M Agramonte, K Husnu Can Baser, Nurhayat Tabanca
The oregano, Origanum onites L., essential oil (EO) was tested in laboratory behavioural bioassays for repellent activity against Amblyomma americanum (L.) and Aedes aegypti (L.). The O. onites EO was characterised using GC-FID and GC-MS. Carvacrol (75.70%), linalool (9.0%), p-cymene (4.33%) and thymol (1.9%) were the most abundant compounds. At a concentration of 0.413 mg oil/cm(2) of filter paper, O. onites EO repelled 100% of the ticks tested and at 0.103 mg oil/cm(2) of filter paper, 66.7% of the ticks were repelled...
February 16, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28278397/dramatic-effects-of-control-measures-on-deaths-from-yellow-fever-in-havana-cuba-in-the-early-1900s
#16
Rita Isabel Lechuga, Ana Cristina Castro
No abstract text is available yet for this article.
March 2017: Journal of the Royal Society of Medicine
https://www.readbyqxmd.com/read/28275932/live-attenuated-yellow-fever-17d-vaccine-a-legacy-vaccine-still-controlling-outbreaks-in-modern-day
#17
REVIEW
Natalie D Collins, Alan D T Barrett
PURPOSE OF REVIEW: Live attenuated 17D vaccine is considered one of the safest and efficacious vaccines developed to date. This review highlights what is known and the gaps in knowledge of vaccine-induced protective immunity. RECENT FINDINGS: Recently, the World Health Organization modifying its guidance from 10-year booster doses to one dose gives lifelong protection in most populations. Nonetheless, there are some data suggesting immunity, though protective, may wane over time in certain populations and more research is needed to address this question...
March 2017: Current Infectious Disease Reports
https://www.readbyqxmd.com/read/28273000/yellow-fever-once-again-on-the-radar-screen-in-the-americas
#18
Catharine I Paules, Anthony S Fauci
Four arthropod-borne viruses (arboviruses) have recently emerged or reemerged in the Americas, spreading rapidly through populations that had not previously been exposed to them and causing substantial morbidity and mortality. The first was dengue, which reemerged to cause widespread disease..
March 8, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28271980/mosquito-borne-diseases-and-omics-salivary-gland-proteome-of-the-female-aedes-aegypti-mosquito
#19
Rakhi Dhawan, Manish Kumar, Ajeet Kumar Mohanty, Gourav Dey, Jayshree Advani, T S Keshava Prasad, Ashwani Kumar
The female Aedes aegypti mosquito is an important vector for several tropical and subtropical diseases such as dengue, chikungunya, and Zika and yellow fever. The disease viruses infect the mosquito and subsequently spread to the salivary glands after which the viruses can be transmitted to humans with probing or feeding by the mosquito. Omics systems sciences offer the opportunity to characterize vectors and can inform disease surveillance, vector control and development of innovative diagnostics, personalized medicines, vaccines, and insecticide targets...
January 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/28261172/the-complement-system-in-flavivirus-infections
#20
Jonas N Conde, Emiliana M Silva, Angela S Barbosa, Ronaldo Mohana-Borges
The incidence of flavivirus infections has increased dramatically in recent decades in tropical and sub-tropical climates worldwide, affecting hundreds of millions of people each year. The Flaviviridae family includes dengue, West Nile, Zika, Japanese encephalitis, and yellow fever viruses that are typically transmitted by mosquitoes or ticks, and cause a wide range of symptoms, such as fever, shock, meningitis, paralysis, birth defects, and death. The flavivirus genome is composed of a single positive-sense RNA molecule encoding a single viral polyprotein...
2017: Frontiers in Microbiology
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