Although secondary cases have become infected with the SFTSV after being in the same space without direct contact with the index case, it has not been experimentally determined if the SFTSV can be transmitted through aerosols. Here, this study aimed to verify if the SFTSV could be transmitted by aerosols. Firstly, we demonstrated that the SFTSV can infect BEAS-2B cells, and SFTSV genomes can be isolate from mild patient's sputum, which provided a foundation for the existence of SFTSV aerosol transmission. Then, we evaluated total antibody production in serum and viral load in tissue of mice infected with SFTSV by aerosols. The results showed that the presence of antibodies is related to the dose of virus infection and the SFTSV preferentially replicates in the lungs of mice following an aerosol exposure. Our study will help update the prevention and treatment guidelines for SFTSV and prevent the spread of the SFTSV in hospitals.
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http://dx.doi.org/10.1016/j.virol.2023.03.001 | DOI Listing |
Int J Lab Hematol
December 2024
The First Affiliated Hospital With Nanjing Medical University, Nanjing, People's Republic of China.
Introduction: We aimed to identify additional predictors of severe fever with thrombocytopenia syndrome (SFTS), which has a significantly increasing global incidence.
Methods: This retrospective study included 95 patients with SFTS and 30 healthy individuals. Complete blood count with differential was performed using Sysmex XN 9000 and Mindray BC-6800 Plus analyzers.
J Clin Microbiol
December 2024
Department of Infectious Disease, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China.
Severe fever with thrombocytopenia syndrome (SFTS) is an emerging infectious disease with a high mortality rate that is often underdiagnosed due to the limitations of current laboratory testing. Timely diagnosis and early identification of severe cases are crucial to improving patient outcomes and overall survival rates. This study aimed to evaluate the efficacy of two transcripts, IFI44L and PI3, in the early differentiation between SFTS virus (SFTSV) infection and bacterial sepsis, as well as in the prompt identification of severe cases during epidemic seasons.
View Article and Find Full Text PDFMethods Mol Biol
December 2024
State Key Laboratory of Virology, School of Public Health, Wuhan University, Wuhan City, Hubei Province, China.
Many members in the class Bunyaviricetes are tick-borne viruses. Experimental viral infection of ticks is greatly needed to better understand the tick-virus interactions. To date, multiple laboratory techniques for the viral infection of ticks have been documented.
View Article and Find Full Text PDFPLoS Negl Trop Dis
December 2024
Department of Neurology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China.
Background: Severe fever with thrombocytopenia syndrome (SFTS) is a rapidly progressive infectious disease triggered by a novel bunyavirus (SFTSV). Despite the critical role of host lipid metabolism in viral infections, research on dyslipidemia in SFTS remains limited.
Methods: This retrospective study included 433 SFTS patients, who were stratified into survival group (n = 365) and death group (n = 68) and who were treated at the Shandong Public Health Clinical Center from September 2021 to December 2023.
EBioMedicine
December 2024
State Key Laboratory of Pathogen and Biosecurity, Academy of Military Medical Sciences, Beijing, 100071, PR China. Electronic address:
Background: Severe fever with thrombocytopenia syndrome virus (SFTSV) is an emerging tick-borne phlebovirus that causes viral hemorrhagic fever. Pandemic concerns have arisen due to the increased human-to-human transmission and high mortality rate, highlighting the urgent need for specific therapeutics.
Methods: Our observational study characterized the memory B cell response to natural SFTSV infection in four survivors.
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