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King's College criteria and the Clichy-Villejuif criteria require adjustments for assessing acute liver failure due to yellow fever

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World Journal of Transplantation 2025年第1期15卷 124-134页

作者： Bruno da Silva Athanasio Antonio Marcio de Faria Andrade Vivian Vasconcelos Costa Juliano Felix Castro Silverio Leonardo Macedo Garcia Mauro Martins Teixeira Daniele da Gloria Souza Paula Vieira Teixeira Vidigal Cristiano Xavier Lima Department of Surgery Federal University of Minas GeraisBelo Horizonte 30130-100Minas GeraisBrazil Liver Transplantation Unit Felicio Rocho HospitalBelo Horizonte 30110-934Minas GeraisBrazil Department of Morphology Federal University of Minas GeraisBelo Horizonte 31270-901Minas GeraisBrazil Department of Biochemistry and Immunology Federal University of Minas GeraisBelo Horizonte 31270-901Minas GeraisBrazil Department of Pathology Federal University of Minas GeraisBelo Horizonte 30130-100Minas GeraisBrazil

BACKGROUND Acute liver failure(ALF)is a severe condition characterized by rapid deterioration of liver function in individuals without preexisting liver *** transplantation(LT)is the most impactful *** fever(YF)is an infectious disease that primarily affects the liver and has a high mortality ***,LT can be a viable option for treating rare cases with extensive liver ***,the criteria for assessing the severity of ALF and determining the indications for transplantation have not been specifically validated for cases caused by *** To present necessary adjustments to established scoring systems for ALF secondary to *** This was an observational,retrospective,single-center *** consecutive patients with confirmed ALF due to YF were monitored in the intensive care unit by a specialized liver transplant team during a three-month epidemic outbreak in *** hospitalization,general supportive therapeutic measures were implemented,and the patients were regularly assessed using the King's College criteria and the Clichy-Villejuif criteria to determine the severity of liver *** is considered a viable measure for patients with signs of end-stage liver *** Eight of 14(57%)patients developed severe neurological alterations within the first 96 hours after hospital *** patients underwent emergency LT,and despite a moderate viral infection of the graft after transplantation,the 5-year survival rate was 50%.Although the King's College criteria and the Clichy-Villejuif criteria are the main scoring systems for ALF,they are insufficient for predicting the risk of mortality in this context,primarily because of low serum bilirubin levels in the final stage of the disease and significant disparities between coagulation abnormalities and patient *** To ensure good applicability in cases of YF-induced ALF,the authors suggest adaptations to the King's College and Clichy-Vill

关键词： yellow fever Acute liver failure Liver transplantation King's College criteria Clichy-Villejuif criteria

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yellow fever and Hajj： with all eyes on Zika, a familiar flavivirus remains a threat

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Frontiers of Medicine 2016年第4期10卷 527-530页

作者： QantaA. Ahmed Ziad A. Memish Division of Pulmonary Disease and Critical Care Medicine Department of Medicine Winthrop University Hospital State University of New York (SUNY) at Stony Brook NY 11790 USA Ministry of Health Riyadh 11514 Kingdom of Saudi Arabia College of Medicine Alfaisal University Riyadh 11533 Kingdom of Saudi Arabia

Hajj is among the world＇s largest mass gatherings, drawing between 2 and 3.5 million Muslims from 183 nations annually to perform pilgrimage in Mecca, Saudi Arabia. Infectious disease outbreaks can be imported both into the Hajj population and exported internationally by returning pilgrims. The domestic Saudi population can also be at risk of outbreaks traveling amid this mass migration. With yellow fever reported for the first time in China following the infection of expatriate Chinese workers in Angola and a full blown outbreak underway in wider West Africa, the prospect of yellow fever outbreaks in Asia threatens to impact Saudi Arabia, both during and beyond the Hajj season. With global focus trained on Zika, the rising threat of yellow fever cannot be overlooked. Strategies to mitigate risk to Saudi Arabia and the global population are thereby suggested.

关键词： yellow fever mass gathering Saudi Arabia Hajj Zika virus

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yellow fever virus outbreak in Brazil under current and future climate

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Infectious Disease Modelling 2021年第1期6卷 664-677页

作者： Tara Sadeghieh Jan M.Sargeant Amy L.Greer Olaf Berke Guillaume Dueymes Philippe Gachon Nicholas H.Ogden Victoria Ng Population Medicine University of GuelphGuelphOntarioCanada Centre for Public Health and Zoonoses Ontario Veterinary CollegeUniversity of GuelphGuelphOntarioCanada Public Health Risk Sciences Division National Microbiology LaboratoryPublic Health Agency of CanadaGuelphOntarioSt.HyacintheQuebecCanada ESCER(Etude et Simulation du Climata l’Echelle Regionale)Centre Universite du Quebec a MontrealQuebecCanada

Introduction:yellow fever(YF)is primarily transmitted by Haemagogus species of *** climate change,mosquitoes and the pathogens that they carry are expected to develop faster,potentially impacting the case count and duration of YF *** aim of this study was to determine how YF virus outbreaks in Brazil may change under future climate,using ensemble simulations from regional climate models under RCP4.5 and RCP8.5 scenarios for three time periods:2011-2040(short-term),2041-2070(mid-term),and 2071-2100(long-term).Methods:A compartmental model was developed to fit the 2017/18 YF outbreak data in Brazil using least squares *** explore the impact of climate change,temperature-sensitive mosquito parameters were set to change over projected time periods using polynomial equations fitted to their relationship with temperature according to the average temperature for years 2011-2040,2041-2070,and 2071-2100 for climate change scenarios using RCP4.5 and RCP8.5,where RCP4.5/RCP8.5 corresponds to intermediate/high radiative forcing values and to moderate/higher warming trends.A sensitivity analysis was conducted to determine how the temperature-sensitive parameters impacted model results,and to determine how vaccination could play a role in reducing YF in ***:yellow fever case projections for Brazil from the models varied when climate change scenarios were applied,including the peak clinical case incidence,cumulative clinical case incidence,time to peak incidence,and the outbreak ***,a decrease in YF cases and outbreak duration was *** the observed incidence in 2017/18 to the projected incidence in 2070-2100,for RCP4.5,the cumulative case incidence decreased from 184 to 161,and the outbreak duration decreased from 21 to 20 *** RCP8.5,the peak case incidence decreased from 184 to 147,and the outbreak duration decreased from 21 to 17 *** observed decrease was primarily due to temperature increasing

关键词： yellow fever Mosquito-borne disease Climate change Infectious disease model Temperature

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Epidemiological, prevention and control updates of yellow fever outbreak in Brazil

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Asian Pacific Journal of Tropical Medicine 2019年第2期12卷 49-59页

作者： Marli do Carmo Cupertino Rebeca Garcia Andréia Patrícia Gomes Sérgio Oliveira de Paula Nicholas Mayers Rodrigo Siqueira-Batista Medical School Dinamica College of the Piranga Valley Laboratory of Epidemiological and Computational Methods in Health Department of Medicine and Nursing Federal University of Vicosa Laboratory of Immunovirology Department of General Biology Federal University of Vicosa Department of Veterinary Medicine Universidade Federal de Vicosa

yellow fever is an acute viral disease endemic to tropical countries, like Brazil, where, since the 1940 s, has no significant documented outbreaks similar to that observed between 2016/2018(2 045 confirmed cases and 677 deaths; caused by the sylvatic form).The principal manipulating factors inciting this change were absence of appropriate vaccination campaigns and increased urbanization & population growth in forest areas, with prevalence of the virus in the species inhabiting of these *** 2016/2018 outbreaks exhibited incidence in areas with historically low or no yellow fever virus activity, triggering a surge in recorded deaths-mainly in the Southeastern states of *** Brazilian government aggressively responded, reforming the countries' prophylactic measures, including vaccine implementation-as of March, 2018, switching from the former double dose regimen of the vaccine, to a single dose protocol, deemed as ***, some states appropriated the fractionated dosage(1/5 of the standard dose), in foresight of potential vaccine *** prevent the uprising of new sylvatic yellow fever cases in Brazil, it's obligatory the development of effective combative plans, including adaptation of prophylactic measures individually(use of repellents, protective clothing etc.), applicable vaccination campaigns in every endemic region, to raise awareness to locals and visitors *** these preventative strategies, the persistence of cases and the recent outbreaks in Brazil, highlight the possible ineffectiveness of combative *** on these considerations, the objective of this review was to raise more awareness of the epidemiological impact of the disease in Brazil.

关键词： Infectious disease Epidemiology Arboviruses yellow fever Aedes aegypti

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Estimating the size of Aedes aegypti populations from dengue incidence data: Implications for the risk of yellow fever outbreaks

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Infectious Disease Modelling 2017年第4期2卷 441-454页

作者： Eduardo Massad Marcos Amaku Francisco Antonio Bezerra Coutinho Claudio JoséStruchiner Luis Fernandez Lopez Annelies Wilder-Smith Marcelo Nascimento Burattini School of Medicine University of Sao PauloBrazil London School of Hygiene and Tropical Medicine UK College of Life and Natural Sciences The University of DerbyUK Programme of Scientific Computation Fundação Oswaldo CruzRio de JaneiroBrazil Li Ka Shing Knowledge Institute St Michael's HospitalTorontoCanada Institute of Public Health University of HeidelbergGermany Department Public Health and Clinical Medicine Epidemiology and Global HealthUmeåUniversitySE-90185 UmeåSweden Lee Kong Chian School of Medicine Nanyang Technological UniversitySingapore Hospital São Paulo Escola Paulista de MedicinaUniversidade Federal de São PauloSão PauloSPBrazil

In this paper we present a model to estimate the density of aedes mosquitoes in a community affected by *** method consists in fitting a continuous function to the incidence of dengue infections,from which the density of infected mosquitoes is derived *** derivations allow the calculation of the latent and susceptible mosquitoes'densities,the sum of the three equals the total mosquitoes'*** method is illustrated with the case of the risk of urban yellow fever resurgence in dengue infested areas but the same procedures apply for other aedes-transmitted infections like Zika and chikungunya viruses.

关键词： Aedes aegypti Mosquitoes'densities Dengue Zika virus yellow fever

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Guiding dengue vaccine development using knowledge gained from the success of the yellow fever vaccine

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Cellular & Molecular Immunology 2016年第1期13卷 36-46页

作者： Huabin Liang Min Lee Xia Jin Viral Disease and Vaccine Translational Research U nit and Vaccine Centre I nstitut Pasteur of Shanghai Chinese Academy of Sciences Shanghai 200031China

Flaviviruses comprise approximately 70 closely related RNA viruses. These include several mosquito-borne pathogens, such as yellow fever virus （YFV）, dengue virus （DENV）, and Japanese encephalitis virus （JEV）, which can cause significant human diseases and thus are of great medical importance. Vaccines against both YFV and JEV have been used successfully in humans for decades; however, the development of a DENV vaccine has encountered considerable obstacles. Here, we review the protective immune responses elicited by the vaccine against YFV to provide some insights into the development of a protective DENV vaccine.

关键词： dengue virus protective immunity vaccine yellow fever

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Socio-Demographic Determinant of yellow fever Patient: A Retrospective Study (2020), Federal Medical Center, Asaba

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Journal of Biosciences and Medicines 2022年第12期10卷 225-238页

作者： Ngozi Esther Ezunu Joy Ifeyinwa Egeonu Ajiri Henry Osihro Uyi-Oghosa Onyemushani Said Abdulkareem Omole Clementina Oyakhire Onyema Edith Wayemeru Chidera Olivia Okey-Ezufo Chikadibia Eze-Otulaka Faith Inegbejie Clever Ajiri Oghale Diana Chinenye Ofomata Grace Nnenna Onubogu Orhomuromo Paul Okpomo Eguolo Unique Okorhi Onobhase Theresa Agbele Anastacia Okwudili Ojimba Adesuwa Queen Aigbokhaode Francis Chinedu Ugoeze Victor Azubike Osiatuma Emmanuel Okechukwu Ezunu Obianuju Nkemjika Jisieike Erhinyaye Omoyibo Efe Department of Nursing Federal Medical Centre Asaba Nigeria CCDRC Federal Medical Centre Asaba Nigeria Department of Internal Medicine Federal Medical Centre Asaba Nigeria Department of Radiology Federal Medical Centre Asaba Nigeria Department of Health Information Management Federal Medical Centre Asaba Nigeria Department of Pediatrics Federal Medical Centre Asaba Nigeria

Background: yellow fever is transmitted primarily to humans and non-human primates through the bite of an infected female mosquito Aedes Spp. It is prevented mainly by vaccination. Method: This retrospective observational study at the Center for Communicable Disease Control and Research (CCDCR) Federal Medical Center Asaba (F.M.C) was conducted on all patients diagnosed and managed with yellow fever in the year 2020. We studied a total number of 57 patients’ case files seen within the period. A chi-square test was done to test the null and alternative hypotheses. Result: About 48 (84.2%) males and female 9 (15.8%) females were mostly affected and gender was significant with a chi-squared value of 26.6 and p-value of 0.00. Conclusion: To eradicate this virus, vaccination and health promotions should be encouraged by the health care workers supported by the government. This is to ensure that a greater proportion of the affected community can be immunized.

关键词： yellow fever Socio-Demograpic Determinants Asaba

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Pathogenesis and clinical management of arboviral diseases

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World Journal of Virology 2025年第1期14卷 9-50页

作者： Victoria Cenci Dietrich Juan Marcos Caram Costa Marina Maria Gomes Leite Oliveira Carlos Eduardo Oliveira Aguiar Luis Guilherme de Oliveira Silva Marcel Silva Luz Fabian Fellipe Bueno Lemos Fabrício Freire de Melo Instituto Multidisciplinar em Saúde Universidade Federal da BahiaVitória da Conquista 45029-094BahiaBrazil

Arboviral diseases are viral infections transmitted to humans through the bites of arthropods,such as mosquitoes,often causing a variety of pathologies associated with high levels of morbidity and *** the past decades,these infections have proven to be a significant challenge to health systems worldwide,particularly following the considerable geographic expansion of the dengue virus(DENV)and its most recent outbreak in Latin America as well as the difficult-tocontrol outbreaks of yellow fever virus(YFV),chikungunya virus(CHIKV),and Zika virus(ZIKV),leaving behind a substantial portion of the population with complications related to these ***,the world is experiencing a period of intense globalization,which,combined with global warming,directly contributes to wider dissemination of arbovirus vectors across the ***,all continents remain on high alert for potential new ***,this review aims to provide a comprehensive understanding of the pathogenesis of the four main arboviruses today(DENV,ZIKV,YFV,and CHIKV)discussing their viral characteristics,immune responses,and mechanisms of viral evasion,as well as important clinical aspects for patient *** includes associated symptoms,laboratory tests,treatments,existing or developing vaccines and the main associated complications,thus integrating a broad historical,scientific and clinical approach.

关键词： Arboviruses Arbovirus infections Dengue Zika virus yellow fever Chikungunya virus Clinical diagnosis Pathogenesis Flavivirus Togaviridae infections

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The yellow feverPandemic and the Establishment of a Transatlantic Knowledge Network for Epidemic Prevention in the Late 18th and Early 19th Centuries

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World History Studies 2023年第2期10卷 37-62页

作者：赵航 Nankai University TianjinP.R.China

During the late 18th and early 19th centuries,a series of conflicts erupted in the Caribbean,leading to the spread of yellow fever to North America and *** yellow fever epidemic was aggravated by war,migration,trade,and other human behaviors,resulting in a decadelong transatlantic *** of physicians in Europe and the United States established a transatlantic network focused on epidemic prevention,to investigate the pathology,causes,and treatments of yellow fever Subsequently,some consular officers were also concerned about the yellow fever epidemic,which led to the expansion of this *** formation and expansion of the transatlantic knowledge network profoundly demonstrated the spirit of transnationalism and promotes progress in international public *** sets a precedent for international health ***,this network was dominated by the so-called"white elite",with European and American countries holding the knowledge hegemony,it had a clear racist and colonialism feature.

关键词： yellow fever Transatlantic Knowledge Network For Epidemic Prevention Public Health International Cooperation Colonialism

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Aedes-borne viral infections and risk of emergence/resurgence in Sub-Saharan African urban areas

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Journal of Biosafety and Biosecurity 2020年第2期2卷 58-63页

作者： Alexandre Zerbo Rafael Castro Delgado Pedro Arcos Gonzalez Unit for Research in Emergency and Disaster Faculty of Medicine and Health SciencesUniversity of Oviedo33006 OviedoSpain

The sub-Saharan African region is increasingly becoming urbanized with the creation of an urban ecology that is conducive to the emergence of vector-borne diseases,such as Aedes-borne viral *** viral infections pose a threat to urban health in sub-Saharan *** major menacing arbovirus diseases in sub-Saharan Africa include dengue,yellow fever,chikungunya,and Zika,since they have shown(re)emergence in the last *** this review,we analyzed the risk factors for the resurgence of these arboviral diseases as well as their epidemiology and burden by studying the *** results suggested that the risk of emergence of Aedes-borne viral infections was related to the urbanicity and competence of Aedes,the genetics of these viruses,environmental factors,and the socio-economic conditions of the sub-Saharan population in urban *** public health awareness and appropriate epidemiological and vector surveillance are essential.

关键词： Dengue yellow fever Chikungunya Zika Risk factors Urban areas Sub-Saharan Africa

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