A negative binomial multivariable regression was used. Hantavirus hemorrhagic fever with renal syndrome hfrs is a group of clinically similar illnesses caused by species of hantaviruses from the family hantaviridae, in the order bunyavirales. Hemorrhagic fever with renal syndrome disease churilov, tula fever refers to the natural focal viral diseases, which are rodents wild and live in cities. Hemorrhagic fever with renal syndrome, zibo city, china. Statistics for hemorrhagic fever with renal syndrome. A fiveyear perspective on the situation of haemorrhagic fever with renal syndrome and status of the hantavirus reservoirs in europe, 20052010. At least 14 distinct viral strains of hfrscausing viruses are distributed worldwide. In this study, we analyzed the epirelated changes in age distribution in reported cases of hfrs and proposed new recommendations for prevention. Pdf viral hemorrhagic fevers in india researchgate.
Dobrava virus rna load in patients who have hemorrhagic fever with renal syndrome. Hemorrhagic fever with renal syndrome hfrs, characterized by fever, hemorrhage, kidney damage, and hypotension, is an important infectious disease that is mainly caused by hantaan orthohantavirus htnv and seoul orthohantavirus seov. Hfrs from dobrava virus dobv is a seldom reported disease in albania. In 1980, this novel virus was named hantaan virus after the hantaan river. Outbreak of acute illness southwestern united states, 1993 preliminary trials of inactivated vaccine against haemorrhagic fever with renal syndrome. Hemorrhagic fever with renal failure syndrome treatment. Hemorrhagic fever with renal failure syndrome is caused by an airborne contact with secretions from rodent hosts infected with the group of viruses belonging to the g. There are major geographical differences in prevalence and severity, with the disease being a major public health concern in east asia. Hfrs presents with sudden fever, chills, nausea, headache, and backache. Various rodent species are natural hosts and serve as sources of infection 1. Other symptoms vary by the type of viral hemorrhagic fever but often include fever, malaise, muscle aches, vomiting, and shock. Severe fever with thrombocytopenia syndrome sfts is an emerging viral hemorrhagic fever with a high fatality rate and high frequency of persontoperson transmission and is caused by sftsv, a tickborne phlebovirus. Hemorrhagic fever with renal syndrome hfrs has been a major.
Vaccination against hemorrhagic fever with renal syndrome hfrs has been applied successfully for more than 20 years in china, and since 2008, the government has implemented the expanded program of immunization epi in regions with high incidence. Hemorrhagic fever with renal syndrome how is hemorrhagic. These viruses include seoul virus, korean hemorrhagic fever, and hantaan virus leduc, 1989. Dhf with signs of circulatory failure narrow pp hemorrhagic fever with renal syndrome hfrs is a group of clinically similar illnesses caused by species of hantaviruses from the family hantaviridae, in the order bunyavirales. Hemorrhagic fever with renal syndrome definition of. Hantaan virus htnv causes hemorrhagic fever with renal syndrome hfrs, which is a zoonosis endemic in eastern asia, especially in china. Viral hemorrhagic fever diagnostics clinical infectious. Death can occur due to vascular leakage leading to low blood pressure, acute shock, and renal failure. In the case of hfrs, symptoms develop within one or two months after coming in contact with the virus. Balkan hemorrhagic fever, a severe type of hemorrhagic fever with renal failure syndrome observed in balkan countries, is caused by the dobrava virus and is transmitted by the infected a flavicollis mouse yellownecked field mouse. The main manifestation of hfrs, including acute kidney injury, increases vascular permeability, and coagulation abnormalities. These include the ebola and marburg, lassa fever, and yellow fever viruses. Like dobrava virus, hantaan virus has a mortality rate of 10 to 12.
The characteristics of current natural foci of hemorrhagic fever with. Hantavirus pulmonary syndrome and hemorrhagic fever with. Hfrs is a zoonosis mainly caused by hantaan virus htnv and. Hfrs is caused by viruses belonging to the old world lineage of the hantavirus genus of the family bunyaviridae. Dec 27, 2018 known also as hemorrhagic fever with renal syndrome. Hantavirus hemorrhagic fever with renal syndrome wikipedia. Hemorrhagic fever with renal failure syndrome is caused by an airborne contact with secretions from rodent hosts infected with the group of viruses belonging to the. To asses the role of virus load in the pathogenesis of hemorrhagic fever with renal syndrome, the serum dobrava virus rna load in 46 patients was measured with a novel quantitative realtime reversetranscriptase polymerase chain reacion assay and compared to the disease severity.
The hantavirus genus of the family bunyaviridae includes a number of rodentborne viruses that can cause hemorrhagic fever with renal syndrome hfrs or hantavirus pulmonary syndrome hps. Prevalence of hemorrhagic fever with renal syndrome what is the estimated number of patients affected by the condition. Cdc hemorrhagic fever with renal syndrome hfrs hantavirus. Hemorrhagic fever with renal syndrome hfrs is an important public health problem in the peoples republic of china, accounting for 90% of human cases reported globally. This means that hemorrhagic fever with renal syndrome, or a subtype of hemorrhagic fever with renal syndrome, affects less than 200,000 people in the us population. Lujo hemorrhagic fever luhf marburg hemorrhagic fever. World prevalence rates of hemorrhagic fever with renal syndrome. This means that besides hemorrhaging, these viruses can also cause kidney, or renal. Hemorrhagic fever with renal syndrome hfrs, a seriously global threat for public health, is caused by hantaviruses hvs in the bunyaviridae family and is characterized by fever, acute renal. Epidemiology and pathogenesis of hemorrhagic fever with renal syndrome. Hemorrhagic fever with renal syndrome pathology britannica.
Hemorrhagic fever with renal syndrome hfrs is caused by members of the rna virus family bunyaviridae in the genus hantavirus. Epidemiology and pathogenesis of hemorrhagic fever with renal. Jan 15, 2018 hemorrhagic fever with renal syndrome hfrs, a seriously global threat for public health, is caused by hantaviruses hvs in the bunyaviridae family and is characterized by fever, acute renal. This disease was first described in the 1930s as hemorrhagic nephrosonephritis in far eastern russia and tula fever in european russia. Read more about symptoms, diagnosis, treatment, complications, causes and prognosis. Although the mortality rate for dengue fever is lower than some other viruses, at 2. However, the mechanisms involved in iga antiviral protection remain unclear. About 150,000 cases of hfrs are thought to occur annually worldwide. It was first recognized in northeastern china in 1931 and has been prevalent in many other parts of china since 1955. These illnesses typically develop within 1 to 2 weeks of exposure sometimes later and are characterized by acute fever, severe headache, blurred vision, and nausea. Research of hemorrhagic fever with renal syndrome has been linked to hemorrhagic fevers, viral, hantavirus infections, nephropathia epidemica, infective disorder, virus diseases.
Hemorrhagic fever with renal syndrome hfrs, characterized by fever, hemorrhage, kidney damage and hypotension, is an important infectious disease caused by different species of hantaviruses including hantaan virus htnv, seoul virus seov, puumala virus puuv 3,4 and dobravabelgrade virus dobvbgdv. Uk 2 death statistics for hemorrhagic fever with renal syndrome. Htnv is an enveloped virus, with a negativesense rna genome, which. Severe fever with thrombocytopenia syndrome can masquerade. Role of tlymphocyte subset in protection and recovery from hantaan virus. Treatment of hemorrhagic fever with kidney syndrome is carried out in the initial period, in the first 35 days. Hemorrhagic fever with renal syndrome hfrs is an acute serious infectious disease characterized by systemic lesions of small vessels, hemorrhagic diathesis, hemodynamic disorders and peculiar kidney damage interstitial nephritis with the development of acute renal failure the causative agent of hemorrhagic fever with renal syndrome belongs to the genus hantavirus of the family bunyaviridae. Meteorological factors and risk of hemorrhagic fever with. This is the most common disease due to hantaviruses. Severe forms, such as those involving dobrava virus or hantaan virus. Hemorrhagic fever with renal syndrome virus listed as hfrsv. In 1976, professor ho wang lee discovered an antigen in the lung and kidney tissues of apodemus agrarius.
Analysis of hemorrhagic fever with renal syndrome cases in zibo city, china, during 20062014 showed that it occurred yearround. Hemorrhagic fever with renal syndrome is listed as a rare disease by the office of rare diseases ord of the national institutes of health nih. On the flip side, late symptoms are reduced blood pressure, acute shock, vascular leakage, and acute kidney failure. Viral hemorrhagic fever facts by charles patrick davis, md, phd. Tickborne encephalitis tbe venezuelan hemorrhagic fever.
Hemorrhagic fever with renal syndrome hfrs is a disease caused by viruses of the family bunyaviridae, genus hantavirus. Hfrs in china has accounted for more than 90% of cases. Puumala virus puuv is the major hfrscausing hantavirus in europe 2. Hemorrhagic fever with renal syndrome, zibo city, china, 2006. Haemorrhagic fever with renal syndrome definition of. Peaks in spring and fallwinter were caused by hantaan and seoul viruses, respectively. Author summary dobrava virus dobv, puumala virus puuv and crimeancongo hemorrhagic fever virus cchfv are important causative agents of viral hemorrhagic fevers. Hemorrhagic fever with renal syndrome, russia volume 25. It was described prior to ww ii in manchuria along the amur river. Hemorrhagic fever with renal syndrome hfrs, a rodentborne disease caused by hantaviruses family bunyaviridae, is characterized by fever, acute renal dysfunction, and hemorrhage manifestations. Centers for disease control and prevention, national center for emerging and zoonotic infectious diseases ncezid, division of highconsequence pathogens and pathology dhcpp, viral special pathogens branch vspb arenaviruses plus icon. Early symptoms of severe hfrs often also include facial flushing, conjunctivitis, and petechial rash. Hantaan and closely related viruses cause hemorrhagic fever with renal syndrome hfrs, also known as korean hemorrhagic fever or epidemic hemorrhagic fever.
Dentin matrix protein 1 correlates with the severity of. In korea, hemorrhagic fever with renal syndrome hfrs was first reported in a united nations soldier stationed in the central front, also known as the iron triangle. Hemorrhagic fever with renal syndrome hfrs has been a major epidemic mainly in. The ebola virus is a notorious cause of epidemic hemorrhagic fever. Hemorrhagic fever with renal syndrome, tick and mosquito.
Clinical manifestations include acute fever, hemorrhagic rash, bleeding, interstitial nephritis, in severe cases, acute renal failure. Hemorrhagic fever w renal failure syndrome hfrs where odes hfrs occur. Hemorrhagic fever with renal failure syndrome clinical. Hantavirus pulmonary syndrome hps and hemorrhagic fever with renal syndrome hfrs are illnesses associated with the hantavirus. The species that cause hfrs include hantaan orthohantavirus, dobravabelgrade orthohantavirus, saaremaa virus, seoul. In russia, the zoonotic virus infection with the highest morbidity rate is hemorrhagic fever with renal syndrome hfrs. A few hosts are distributed nearly worldwide, such. Haemorrhagic fever with renal syndrome allied academies. As a rodentborne disease caused by hantavirus, hemorrhagic fever with renal syndrome hfrs usually manifest fever, hypotension, hemorrhage and kidney injury 1, 2. Role of maternal antibody in protection from hemorrhagic fever with. Dna vaccine for hemorrhagic fever with renal syndrome techlink. Depending upon which virus is causing the hfrs, death occurs in less than 1% to as many as 15% of. Mar 30, 2020 hemorrhagic fever with renal syndrome hfrs, which is caused by hantaan, puumala, seoul, and dobravabelgrade viruses htnv, puuv, seov, and dobv, respectively is acquired primarily through. It is reported that the number of hfrs human cases in china.
Other articles where hemorrhagic fever with renal syndrome is discussed. Viral hemorrhagic fevers vhfs are a group of illnesses caused by four families of viruses. Landscape elements and hantaan virusrelated hemorrhagic. Hemorrhagic fever with renal syndrome hfrs is a group of clinically similar illnesses caused by hantaviruses from the family bunyaviridae. Hemorrhagic fever with renal syndrome hfrs, caused by different hantaviruses, is a distinct clinical syndrome endemic in several parts of asia and europe. Annually, 10,00012,000 clinical cases of puumala virus puuv and. We obtained data of hfrs cases in guangzhou from the national notifiable disease report system nndrs during the period of 20062015. However, the clinical picture can sometimes be indistinguishable from that of other infectious or noninfectious diseases. Author summary hemorrhagic fever with renal syndrome hfrs is a. Laboratory rat associated outbreak of haemorrhagic fever with renal syndrome due to hantaanlike virus in belgium. What determines the survival w viral hemorrhagic fevers. Hantaviruses are the major causative agents of hemorrhagic fever with renal syndrome hfrs in humans, which is characterized by increased capillary permeability. Meteorological data were obtained from the guangzhou meteorological bureau. In this report we describe a clinical case, which is a rare occurrence but is a prime example of the difficulties in.
Mar 12, 2020 viral hemorrhagic fevers vhfs are a group of illnesses caused by four families of viruses. In this study, a landscape epidemiologic approach, combined with geographic information system and remote sensing techniques, was applied to increase our understanding of hfrs due to hantaan virus and its relationship with. Known also as hemorrhagic fever with renal syndrome. Because sfts has similar clinical manifestations and epidemic characters such as spatial and temporal distributions with hemorrhagic fever with renal syndrome. Oct 04, 2018 hemorrhagic fever with renal failure syndrome hfrs occurs mainly in europe and asia and is characterized by fever and renal failure associated with hemorrhagic manifestations. Current routine diagnostic methods are based on serological.
The family bunyaviridae include the causative agents of hantavirus hemorrhagic fever with renal syndrome hvhfrs, the crimeancongo hemorrhagic fever cchf virus from the genus nairovirus, garissa virus and ilesha virus from the orthobunyavirus and the rift valley fever rvf virus from the genus phlebovirus. Hemorrhagic fever with renal syndrome hfrs hantavirus cdc. Of the 422 patients with hfrs investigated in this study, 58 patients were found to be infected by puumala virus, whereas as many as 364 were infected by dobravabelgrade virus dobv. Changes in age distribution of hemorrhagic fever with renal. The viruses that cause hfrs include hantaan, dobrava, saaremaa, seoul, and puumala. The area of distribution of the virus fareastern region, the urals, tver, moscow, tula and other regions of the country. Hemorrhagic fever with renal failure syndrome hfrs occurs mainly in europe and asia and is characterized by fever and renal failure associated with hemorrhagic manifestations. Hemorrhagic fever with renal syndrome virus how is.
Hemorrhagic fever an overview sciencedirect topics. Rodentborne hantaviruses cause two severe acute diseases. Easton, in the laboratory rat second edition, 2006. The reservoir host of htnv is field mouse apodemus agraricus. Viral hemorrhagic fever, any of a variety of highly fatal viral diseases that are characterized by massive external or internal bleeding or bleeding into the skin. Current routine diagnostic methods are based on serological analyses and can yield. Definition of hemorrhagic fever with renal syndrome. Study on expression of plasma scd8 in patients with.
It is also known as korean hemorrhagic fever and epidemic hemorrhagic fever. Pathogenesis of hemorrhagic fever with renal syndrome virus infection and mode of horizontal transmission of hantavirus in bank voles irena n. Dna vaccine for hemorrhagic fever with renal syndrome. Clinical characterization of two severe cases of hemorrhagic. Hfrs was first linked to hantavirus in 1978 in korea. Molecular diagnosis of hemorrhagic fever with renal syndrome caused by. Hemorrhagic fever article about hemorrhagic fever by the. Molecular diagnostics of hemorrhagic fever with renal. Dobrava virus rna load in patients who have hemorrhagic fever.
List of vhf diseases viral hemorrhagic fevers vhfs cdc. Analyzing hemorrhagic fever with renal syndrome in hubei. In russia, 1,590 cases of hemorrhagic fever with renal syndrome caused by 6 different hantaviruses were reported during 20002017. Hemorrhagic fever with renal syndrome hfrs is a systemic infectious disease caused by hantaviruses and characterized by fevers, bleeding tendencies, gastrointestinal symptoms and renal failure. Other hosts range over continents, such as the rodents that carry viruses which cause various forms of hantavirus pulmonary syndrome hps in north and south america, or the different set of rodents that carry viruses which cause hemorrhagic fever with renal syndrome hfrs in europe and asia. Like sepsis, hfrs has general pathophysiologic characteristics of systemic inflammatory response syndrome sirs, while it also has unique clinical progresses usually through febrile, hypotensive, oliguric, diuretic and. At the time of designation, haemorrhagic fever with renal syndrome affected approximately 3. Dentin matrix protein 1 dmp1 has been shown to degrade components of the basal membrane and interendothelial junctions via matrix metalloproteinase9. Hantavirus hemorrhagic fever with renal syndrome last updated november 18, 2019. Blood urea nitrogen and creatinine were elevated in patients with hemorrhagic fever with renal syndrome caused by hantaan virus and seoul virus, while huaiyangshan hemorrhagic fever virus infected patients were found to have leukopenia and increased creatine kinase and alanine aminotransferase alt. Author summary the prevalence of hfrs was on the rise in recent years, especially in the large and mediumsized cities in china. Many arboviruses including those in the families togaviridae, flaviviridae, filoviridae, and bunyaviridae and the hantaviruses, spread by rodents or biting insects, can cause epidemic hemorrhagic fever. Rodent hosts were the striped field mouse for hantaan virus and the brown rat and house mouse for seoul virus.
Epidemic characteristics of hemorrhagic fever with renal. Not natural reservoir can transmit the virus to one another outbreaks sporadically. Viral hemorrhagic fevers are defined as a group of illnesses caused by different families of viruses that cause vascular damage that results in symptomatic bleeding hemorrhage. For example, arenaviridae cause lassa fever lassa virus, argentine hemorrhagic fever junin virus, and bolivian hemorrhagic fever machupo virus. Clinical severity of hemorrhagic fever with renal syndrome hfrs and crimeancongo hemorrhagic fever cchf varies greatly from a mild, nonspecific febrile illness to a severe form of the disease with hemorrhaging and. Hantaan htnv, seoul seov, dobrava dobv, and puumala puuv. Molecular diagnosis of hemorrhagic fever with renal. Mapping the epidemic changes and risks of hemorrhagic. Molecular diagnosis of hemorrhagic fever with renal syndrome. Hemorrhagic fever with renal syndrome hantavirus zoonotic infection characterized by thrombohemorrhagic syndrome and primary renal disease. Hemorrhagic fever with renal syndrome article about. A large outbreak of hemorrhagic fever with renal syndrome hfrs occurred in the winter of 20062007 in a region southeast of moscow in central european russia. Hemorrhagic fever with renal syndrome caused by 2 lineages of. Puumala virus puuv is the most common causative agent of hfrs in europe.
Asian and european hantaviruses cause an illness known as viral hemorrhagic fever with renal syndrome hfrs. Haemorrhagic fever with renal syndrome hfrs is an acute interstitial nephropathy characterized by high fever and varying degrees of renal insufficiency and hemorrhage. Virusinfected ecs be cleared by virusspecific ctls leading to vascular damage. Hemorrhagic fever with renal failure syndrome workup. Hfrs includes diseases such as korean hemorrhagic fever, epidemic hemorrhagic fever, and nephropathia epidemica. Hemorrhagic fever with renal syndrome hfrs is a zoonosis caused by different species of hantavirus hv. Spatiotemporal dynamics of hemorrhagic fever with renal. Drug treatment of hemorrhagic fever with renal syndrome. The study of hemorrhagic fever with renal syndrome has been mentioned in research publications which can be found using our bioinformatics tool below. Mapping the epidemic changes and risks of hemorrhagic fever. Hemorrhagic fever virus with renal syndrome competently. Jun 06, 2016 tickborne encephalitis tbe venezuelan hemorrhagic fever. But in rare circumstances, it might take up to eight weeks to display signs. Hantaan virus and its related strains, seoul virus and puulmala virus, cause korean hemorrhagic fever more correctly, hemorrhagic fever with renal syndrome, a condition in which the capillaries of the circulatory system begin to leak blood.
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