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Cui H, Shen S, Chen L, Fan Z, Wen Q, Xing Y, Wang Z, Zhang J, Chen J, La B, Fang Y, Yang Z, Yang S, Yan X, Pei S, Li T, Cui X, Jia Z, Cao W. Global epidemiology of severe fever with thrombocytopenia syndrome virus in human and animals: a systematic review and meta-analysis. THE LANCET REGIONAL HEALTH. WESTERN PACIFIC 2024; 48:101133. [PMID: 39040038 PMCID: PMC11261768 DOI: 10.1016/j.lanwpc.2024.101133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 06/07/2024] [Accepted: 06/17/2024] [Indexed: 07/24/2024]
Abstract
Background Since the initial identification of the Severe Fever with Thrombocytopenia Syndrome (SFTS) in ticks in rural areas of China in 2009, the virus has been increasingly isolated from a diverse array of hosts globally, exhibiting a rising trend in incidence. This study aims to conduct a systematic analysis of the temporal and spatial distribution of SFTS cases, alongside an examination of the infection rates across various hosts, with the objective of addressing public concerns regarding the spread and impact of the disease. Methods In this systematic review and meta-analysis, an exhaustive search was conducted across multiple databases, including PubMed, Web of Science, Embase, and Medline, CNKI, WanFang, and CQVIP. The literature search was confined to publications released between January 1, 2009, and May 29, 2023. The study focused on collating data pertaining to animal infections under natural conditions and human infection cases reported. Additionally, species names were unified using the National Center for Biotechnology Information (NCBI) database. The notification rate, notification death rate, case fatality rate, and infection rates (or MIR) were assessed for each study with available data. The proportions were pooled using a generalized linear mixed-effects model (GLMM). Meta-regressions were conducted for subgroup analysis. This research has been duly registered with PROSPERO, bearing the registration number CRD42023431010. Findings We identified 5492 studies from database searches and assessed 238 full-text studies for eligibility, of which 234 studies were included in the meta-analysis. For human infection data, the overall pooled notification rate was 18.93 (95% CI 17.02-21.05) per ten million people, the overall pooled notification deaths rate was 3.49 (95% CI 2.97-4.10) per ten million people, and the overall pooled case fatality rate was 7.80% (95% CI 7.01%-8.69%). There was an increasing trend in notification rate and deaths rate, while the case fatality rate showed a significant decrease globally. Regarding animal infection data, among 94 species tested, 48 species were found to carry positive nucleic acid or antibodies. Out of these, 14 species were classified under Arthropoda, while 34 species fell under Chordata, comprising 27 Mammalia and 7 Aves. Interpretation This systematic review and meta-analysis present the latest global report on SFTS. In terms of human infections, notification rates and notification deaths rates are on the rise, while the case fatality rate has significantly decreased. More SFTSV animal hosts have been discovered than before, particularly among birds, indicating a potentially broader transmission range for SFTSV. These findings provide crucial insights for the prevention and control of SFTS on a global scale. Funding None.
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Affiliation(s)
- Haoliang Cui
- School of Public Health, Peking University, Beijing 100191, China
| | - Shijing Shen
- Institute of EcoHealth, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Lin Chen
- School of Public Health, Peking University, Beijing 100191, China
| | - Zhiyu Fan
- School of Public Health, Peking University, Beijing 100191, China
| | - Qian Wen
- School of Public Health, Peking University, Beijing 100191, China
| | - Yiwen Xing
- School of Public Health, Peking University, Beijing 100191, China
| | - Zekun Wang
- School of Public Health, Peking University, Beijing 100191, China
| | - Jianyi Zhang
- School of Public Health, Peking University, Beijing 100191, China
| | - Jingyuan Chen
- School of Public Health, Peking University, Beijing 100191, China
| | - Bin La
- School of Public Health, Peking University, Beijing 100191, China
| | - Yujie Fang
- School of Public Health, Peking University, Beijing 100191, China
| | - Zeping Yang
- School of Public Health, Peking University, Beijing 100191, China
| | - Shuhan Yang
- Department of Maternal and Child Health, School of Public Health, Peking University, Beijing 100191, China
| | - Xiangyu Yan
- Institute of Disaster and Emergency Medicine, Medical School, Tianjin University, No. 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Shaojun Pei
- School of Public Health, Peking University, Beijing 100191, China
| | - Tao Li
- School of Public Health, Peking University, Beijing 100191, China
- Chinese Center for Disease Control and Prevention, Beijing, China
| | - Xiaoming Cui
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
| | - Zhongwei Jia
- School of Public Health, Peking University, Beijing 100191, China
- Center for Intelligent Public Health, Institute for Artificial Intelligence, Peking University, Beijing, China
- Center for Drug Abuse Control and Prevention, National Institute of Health Data Science, Peking University, Beijing, China
- Peking University Clinical Research Institute, Beijing, China
| | - Wuchun Cao
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China
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Gao S, Geng X, Lu Q, Wu S, Shan Z, Chang C. Epidemiological characteristics and spatio-temporal aggregation of severe fever with thrombocytopenia syndrome in Jinan City, China, 2018-2022. PLoS Negl Trop Dis 2023; 17:e0011807. [PMID: 38134002 PMCID: PMC10745217 DOI: 10.1371/journal.pntd.0011807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 11/20/2023] [Indexed: 12/24/2023] Open
Abstract
BACKGROUND Severe fever with thrombocytopenia syndrome (SFTS) has become a significant public health issue in Jinan City. However, the analysis of epidemiological characteristics and spatio-temporal clustering of SFTS in Jinan has not been studied yet. METHODS SFTS data from 2018-2022 in Jinan City were obtained from the China Information System for Disease Control and Prevention. Global spatial autocorrelation and local spatial autocorrelation analyses were performed using ArcGIS 10.2 software, and spatiotemporal hotspot area detection was carried out using SatScan 9.6 software. RESULTS Between 2018 and 2022, 680 SFTS cases were reported in Jinan City, resulting in 53 deaths and an average case fatality rate of 7.8%. 99.0% of cases occurred between April and October, 91.9% individuals were over 50 years old, and 87.79% were primarily farmers. A positive spatial correlation of SFTS in Jinan was observed (Moran's I value between 0.135-0.197, P<0.001), indicating spatial aggregation, primarily in Licheng, Zhangqiu, Laiwu, and Gangcheng districts in southeastern Jinan. Spatiotemporal scanning detected one class I and two class II aggregation areas, with the class I aggregation area (RR = 5.66, LLR = 192.547, P<0.001) locating in southeastern Jinan City, comprising 31 towns/streets, and an aggregation time from 13 May 2020 to 13 October 2022. CONCLUSION Spatial and temporal aggregation of SFTS is evident in Jinan. Based on the spatial and temporal distribution and epidemiological characteristics, prevention and control measures such as public education, monitoring, and training should target key populations in high-incidence epidemic areas.
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Affiliation(s)
- Shang Gao
- Jinan Municipal Center for Disease Control and Prevention, Jinan, China
| | - Xingyi Geng
- Jinan Municipal Center for Disease Control and Prevention, Jinan, China
| | - Qingbin Lu
- Center for Infectious Diseases and Policy Research & Global Health and Infectious Diseases Group, Peking University, Beijing, China
- Key Laboratory of Epidemiology of Major Diseases (Peking University), Ministry of Education, Beijing, China
| | - Shanzheng Wu
- Centre for Health Management and Policy Research, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Zhaoxia Shan
- Jinan Municipal Center for Disease Control and Prevention, Jinan, China
| | - Caiyun Chang
- Jinan Municipal Center for Disease Control and Prevention, Jinan, China
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Tian W, Ren X, Gao X, Zhang Y, Chen Z, Zhang W. Accuracy of reverse-transcription polymerase chain reaction and loop-mediated isothermal amplification in diagnosing severe fever with thrombocytopenia syndrome: A systematic review and meta-analysis. J Med Virol 2022; 94:5922-5932. [PMID: 35968756 PMCID: PMC9804528 DOI: 10.1002/jmv.28068] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 07/27/2022] [Accepted: 08/10/2022] [Indexed: 01/06/2023]
Abstract
Nucleic acid molecular diagnostic technology plays an important role in the detection of severe fever with thrombocytopenia syndrome (SFTS). However, no relevant reports have been published on the accuracy of reverse-transcription polymerase chain reaction (RT-PCR) and reverse-transcription loop-mediated isothermal amplification (RT-LAMP) in the diagnosis of SFTS. Thus, we conducted a meta-analysis and systematic review to evaluate the accuracy of the two methods. On June 19, 2022, we comprehensively searched the PubMed, Embase, Cochrane Library, Web of Science, Scoups, Ovid, Proquest, China National Knowledge Infrastructure Database, Wan Fang Data, Traditional Chinese Medicine Database (Sinomed), VIP Database, and Reading Showing Database for articles on nucleic acid diagnostic techniques, such as RT-PCR and RT-LAMP, used to diagnose SFTS. Statistical analysis was performed using STATA 14.0 and Meta-Disc 1.4. Sixteen articles involving 2942 clinical blood samples were included in the analysis. RT-PCR and RT-LAMP were used as index tests, whereas RT-PCR or other detection methods were used as reference standards. The pooled values for the sensitivity, specificity, positive and negative likelihood ratios of the RT-PCR test were 0.97 (95% confidence interval [CI]: 0.92-0.99), 1.00 (95% CI: 0.98-1.00), 483.87 (95% CI: 58.04-4033.76), and 0.03 (95% CI:0.01-0.08), respectively. Those for the RT-LAMP test were 0.95 (95% CI: 0.91-0.97), 0.99 (95% CI: 0.93-1.00), 111.18 (95% CI: 13.96-885.27), and 0.05 (95% CI: 0.03-0.09), respectively. Both RT-PCR and RT-LAMP have high diagnostic value in SFTS and can be applied in different scenarios for laboratory confirmation or on-site screening.
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Affiliation(s)
- Wen Tian
- Center of Infectious Diseases, Beijing Ditan HospitalCapital Medical UniversityBeijingChina
| | - Xingxiang Ren
- Center of Infectious Diseases, Beijing Ditan HospitalCapital Medical UniversityBeijingChina
| | - Xu Gao
- Center of Infectious Diseases, Beijing Ditan HospitalCapital Medical UniversityBeijingChina
| | - Yuanyuan Zhang
- Beijing Key Laboratory of Emerging Infectious Disease, Beijing Ditan HospitalCaptital Medical UniversityBeijingChina
| | - Zhihai Chen
- Center of Infectious Diseases, Beijing Ditan HospitalCapital Medical UniversityBeijingChina
| | - Wei Zhang
- Center of Infectious Diseases, Beijing Ditan HospitalCapital Medical UniversityBeijingChina
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A ten-year assessment of the epidemiological features and fatal risk factors of hospitalized severe fever with thrombocytopenia syndrome in Eastern China. Epidemiol Infect 2022; 150:e131. [PMID: 35726737 PMCID: PMC9306006 DOI: 10.1017/s0950268822001108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Severe fever with thrombocytopenia syndrome (SFTS) virus has caused a large number of human infections since discovered in 2009. This study elucidated epidemiological features and fatal risk factors of SFTS cases accumulated up to ten years in Taizhou, a coastal prefecture of Zhejiang Province in Eastern China. A total of 188 hospitalised SFTS cases (including 40 deaths) reported to Taizhou Center for Disease Control and Prevention (CDC) during 2011–2020 were enrolled in the study. In the past decade, the annual incidence of SFTS increased over the years (P < 0.001) along with an expanding epidemic area, and the case fatality of hospitalised cases has remained high (21.3%). Although most cases occurred in hilly areas, a coastal island had the highest incidence and case fatality. The majority of cases were over the age of 60 years (72.3%), and both incidence and case fatality of SFTS increased with age. Multivariate logistic regression analysis showed that age (OR 7.47, 95% CI 1.32–42.33; P = 0.023), and haemorrhagic manifestations including petechiae (OR 7.76, 95% CI 1.17–51.50; P = 0.034), gingival haemorrhage (OR 5.38, 95% CI 1.25–23.15; P = 0.024) and melena (OR 5.75, 95% CI 1.18–28.07; P = 0.031) were significantly associated with the death of SFTS cases. Five family clusters identified were farmers, among four of which the index patients were female with a history of hypertension. Based on the study, age is a critical risk factor for incidence and case fatality of SFTS. With an increased annual incidence over the last ten years, SFTS remains a public health threat that should not be ignored. Further study is needed to look at the natural foci in the coastal islands.
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Li J, Li S, Yang L, Cao P, Lu J. Severe fever with thrombocytopenia syndrome virus: a highly lethal bunyavirus. Crit Rev Microbiol 2020; 47:112-125. [PMID: 33245676 DOI: 10.1080/1040841x.2020.1847037] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Severe fever with thrombocytopenia syndrome virus (SFTSV) is a novel bunyavirus. Since 2007, SFTS disease has been reported in China with high fatality rate up to 30%, which drew high attention from Centre for Disease Control and Prevention and government. SFTSV is endemic in the centra l and eastern China, Korea and Japan. There also have been similar cases reported in Vietnam. The number of SFTSV infection cases has a steady growth in these years. As SFTSV could transmitted from person to person, it will expose the public to infectious risk. In 2018 annual review of the Blueprint list of priority diseases, World Health Organisation has listed SFTSV infection as prioritised diseases for research and development in emergency contexts. However, the pathogenesis of SFTSV remains largely unclear. Currently, there are no specific therapeutics or vaccines to combat infections of SFTSV. This review discusses recent findings of epidemiology, transmission pathway, pathogenesis and treatments of SFTS disease.
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Affiliation(s)
- Jing Li
- NHC Key Laboratory of Carcinogenesis, Department of Hematology, Xiangya Hospital, Central South University, Changsha, China.,Department of Microbiology, School of Basic Medical Sciences, Central South University, Changsha, China.,China-Africa Research Center of Infectious Diseases, Central South University, Changsha, China
| | - Shen Li
- NHC Key Laboratory of Carcinogenesis, Department of Hematology, Xiangya Hospital, Central South University, Changsha, China.,Department of Microbiology, School of Basic Medical Sciences, Central South University, Changsha, China.,China-Africa Research Center of Infectious Diseases, Central South University, Changsha, China
| | - Li Yang
- NHC Key Laboratory of Carcinogenesis, Department of Hematology, Xiangya Hospital, Central South University, Changsha, China.,Department of Microbiology, School of Basic Medical Sciences, Central South University, Changsha, China.,China-Africa Research Center of Infectious Diseases, Central South University, Changsha, China
| | - Pengfei Cao
- NHC Key Laboratory of Carcinogenesis, Department of Hematology, Xiangya Hospital, Central South University, Changsha, China.,Department of Microbiology, School of Basic Medical Sciences, Central South University, Changsha, China.,China-Africa Research Center of Infectious Diseases, Central South University, Changsha, China
| | - Jianhong Lu
- NHC Key Laboratory of Carcinogenesis, Department of Hematology, Xiangya Hospital, Central South University, Changsha, China.,Department of Microbiology, School of Basic Medical Sciences, Central South University, Changsha, China.,China-Africa Research Center of Infectious Diseases, Central South University, Changsha, China
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