An unexpected and large outbreak of Puumala virus infection in Sweden resulted in 313 nephropathia epidemica patients/100,000 persons in Västerbotten County during 2007. An increase in the rodent population, milder weather, and less snow cover probably contributed to the outbreak.
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The Specificity of Epizootic and Epidemiological Processes in Natural Foci of Hemorrhagic Fever with Renal Syndrome and Tick-Borne Encephalitis in Russia, as the Basis for the Prospects of Creating a Combined Vaccine for the Prevention of These Infections.
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Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of Russian Academy of Sciences, Institute of Poliomyelitis, Moscow 108819, Russia.
Hemorrhagic fever with renal syndrome (HFRS) and tick-borne encephalitis (TBE) are the most common viral diseases in Russia. HFRS is caused by six different types of hantaviruses: Hantaan, Amur, Seoul, Puumala, Kurkino, and Sochi, which are transmitted to humans through small mammals of the Muridae and Cricetidae families. TBE is caused by viruses belonging to five different phylogenetic subtypes.
View Article and Find Full Text PDFAmugulang virus, a novel hantavirus harboured by small rodents in Hulunbuir, China.
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Key Laboratory of Livestock Infectious Diseases, Ministry of Education, and Key Laboratory of Ruminant Infectious Disease Prevention and Control (East), Ministry of Agriculture and Rural Affairs, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, People's Republic of China.
The Hulunbuir region, known for its diverse terrain and rich wildlife, is a hotspot for various natural epidemic diseases. Between 2021 and 2023, we collected 885 wild rodent samples from this area, representing three families, seven genera, and eleven species. Metagenomic analysis identified three complete nucleic acid sequences from the S, M, and L segments of the family, which were closely related to the Khabarovsk virus.
View Article and Find Full Text PDFMolecular evolution of Hokkaido virus, a genotype of Orthohantavirus puumalaense, among Myodes rodents.
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Laboratory of Public Health, Department of Preventive Veterinary Medicine, Faculty of Veterinary Medicine, Hokkaido University, Sapporo, Japan; Veterinary Research Unit, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan. Electronic address:
Viruses in the genus Orthohantavirus within the family Hantaviridae cause human hantavirus infections and represent a threat to public health. Hokkaido virus (HOKV), a genotype of Orthohantavirus puumalaense (Puumala virus; PUUV), was first identified in Tobetsu, Hokkaido, Japan. Although it is genetically related to the prototype of PUUV, the evolutionary pathway of HOKV is unclear.
View Article and Find Full Text PDFSpread of Puumala Hantavirus to New Areas in a Large Croatian Outbreak of Hemorrhagic Fever with Renal Syndrome, 2021.
Vector Borne Zoonotic Dis
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Department of Virology, University Hospital for Infectious Diseases "Dr. Fran Mihaljević", Zagreb, Croatia.
The largest documented outbreak of hemorrhagic fever with renal syndrome occurred in Primorje-Gorski Kotar County, Croatia, in 2021, marking the first-time cases of hantavirus infection recorded outside of the known endemic region in the north of the county. To identify the factors contributing to the spread of the outbreak and to compare risk factors for acquiring hantavirus infection in the endemic and newly affected regions. A total of 189 cases were confirmed by positive Puumala IgM/IgG antibodies (93.
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