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Hand,foot,and mouth disease

Jiratchaya Puenpa, Chompoonut Auphimai, Sumeth Korkong, Sompong Vongpunsawad, Yong Poovorawan
An outbreak of hand, foot and mouth disease among children in Thailand peaked in August 2017. Enterovirus A71 subgenogroup B5 caused most (33.8%, 163/482) cases. Severe disease (myocarditis and encephalitis) was observed in 1 patient. Coxsackievirus A6 was detected in 6.0% (29/482) of patients, and coxsackievirus A16 was detected in 2.7% (13/482) of patients.
July 2018: Emerging Infectious Diseases
Jin-Fang Sun, Hao-Lan Li, Bao-Xia Sun
The original publication of this article [1] contained two erroneous paragraphs related to the time and place for the admission of the pediatric patients with clinically diagnosed severe HFMD. The updated information has been indicated in bold.
June 15, 2018: European Journal of Medical Research
Lingling Zhou, Ping Zhao, Dongdong Wu, Cheng Cheng, Hao Huang
BACKGROUND: Hospital crowding is a rising problem, effective predicting and detecting managment can helpful to reduce crowding. Our team has successfully proposed a hybrid model combining both the autoregressive integrated moving average (ARIMA) and the nonlinear autoregressive neural network (NARNN) models in the schistosomiasis and hand, foot, and mouth disease forecasting study. In this paper, our aim is to explore the application of the hybrid ARIMA-NARNN model to track the trends of the new admission inpatients, which provides a methodological basis for reducing crowding...
June 15, 2018: BMC Medical Informatics and Decision Making
Madiiha Bibi Mandary, Chit Laa Poh
Enterovirus 71 (EV-A71) is a major etiological agent of hand, foot and mouth disease (HFMD) that mainly affects young children less than five years old. The onset of severe HFMD is due to neurological complications bringing about acute flaccid paralysis and pulmonary oedema. In this review, we address how genetic events such as recombination and spontaneous mutations could change the genomic organization of EV-A71, leading to an impact on viral virulence. An understanding of the recombination mechanism of the poliovirus and non-polio enteroviruses will provide further evidence of the emergence of novel strains responsible for fatal HFMD outbreaks...
June 12, 2018: Viruses
Huiying Zhang, Zhigang Song, Huiju Yu, Xiaoling Zhang, Shanshan Xu, Zhong Li, Jingzhi Li, Hongke Xu, Zhenghong Yuan, Hongwei Ma, Zhigang Yi, Yunwen Hu
BACKGROUND: Enteroviruses cause hand, foot and mouth disease (HFMD). The host B-cells recognize the viral proteins and provoke humoral responses. Deciphering the B-cell responses to the viral epitopes helps diagnosis and vaccine development. OBJECTIVES: The objective of the present study was to investigate for the first time the landscape of genome-wide linear B-cell epitopes of enterovirus 71 in HFMD population. STUDY DESIGN: The peptides encompassing the entire coding region of EV71 were chemically synthesized and displayed on a microarray...
June 3, 2018: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
Xiaojuan Zhu, Tao Wu, Ying Chi, Yiyue Ge, Bin Wu, Minghao Zhou, Fengcai Zhu, Minjun Ji, Lunbiao Cui
Enterovirus A71 (EV-A71) infection can cause hand, foot and mouth disease (HFMD), and even fatal meningoencephalitis. Unfortunately, there is currently no effective treatment for EV-A71 infection due to the lack of understanding of the mechanism of neurological diseases. In this study, we employed SH-SY5Y human neuroblastoma cells to explore the roles of caspase-1 in neuropathogenesis. The expression and activity of caspase-1 were analyzed. The potential immuneconsequences mediated by caspase-1 including cell death, lysis, DNA degradation, and secretion of pro-inflammatory were also examined...
June 7, 2018: Virology
Demis N Lipe, Susan Affleck
No abstract text is available yet for this article.
May 2018: Clinical practice and cases in emergency medicine
Ken Fujii, Yui Sudaka, Ayako Takashino, Kyousuke Kobayashi, Chikako Kataoka, Tadaki Suzuki, Naoko Iwata-Yoshikawa, Osamu Kotani, Yasushi Ami, Hiroyuki Shimizu, Noriyo Nagata, Katsumi Mizuta, Yoko Matsuzaki, Satoshi Koike
Enterovirus 71 (EV71) is a causative agent of hand, foot, and mouth disease and sometimes causes severe or fatal neurological complications. The amino acid at VP1-145 determines virological characteristics of EV71. Viruses with glutamic acid (E) at VP1-145 (VP1-145E) are virulent in neonatal mice and transgenic mice expressing human scavenger receptor B2, whereas those with glutamine (Q) or glycine (G) are not. However, the contribution of this variation to pathogenesis in humans is not fully understood. We compared the virulence of VP1-145E and VP1-145G viruses of Isehara and C7/Osaka backgrounds in cynomolgus monkeys...
May 30, 2018: Journal of Virology
Surya Palani, Muruganandam Nagarajan, Ashok Kumar Biswas, Rajesh Reesu, Vijayachari Paluru
OBJECTIVE: To investigate an outbreak of Hand, foot and mouth disease (HFMD) in Andaman Islands during 2013. METHODS: Epidemiological, clinical data and samples were collected from HFMD patients who attended selected hospitals. Data were analyzed and samples were processed for detection of Enterovirus and further confirmed by sequencing. Serotype-specific molecular typing was also done to identify the etiological agent. RESULTS: Of the 246 suspected patients, most were affected in August 2013 (92/246, 37...
May 15, 2018: Indian Pediatrics
Y Peng, B Yu, D G Kong, Y Y Zhao, P Wang, B B Pang, J Gong
Hand-foot-mouth disease (HFMD) is an acute infectious disease caused by serotypes of the enterovirus (EV) family. HFMD reinfection occurs commonly in lack of cross-protection between different EV serotypes. In this study, we investigated the hazards of HFMD reinfection using Cox-proportional hazard model. Retrospective data of 95 209 HFMD cases in Wuhan during 2008-2015 was used. Kaplan-Meier survival methods and Cox-proportional hazard model were used to estimate the hazard probabilities. Of the all HFMD cases, about 2% experienced reinfection (1842/95 209)...
May 30, 2018: Epidemiology and Infection
Chao Zhang, Shuaiyin Chen, Guangyuan Zhou, Yuefei Jin, Rongguang Zhang, Haiyan Yang, Yuanlin Xi, Jingchao Ren, Guangcai Duan
BACKGROUND: Hand-foot-and-mouth disease (HFMD) is generally considered as a mild exanthematous disease to infants and young children worldwide. HFMD cases are usually mild and self-limiting but for few cases leads to complicated severe clinical outcomes, and even death. Previous studies have indicated that serum Ang II levels in patients with H7N9 infection were related to the severity of infection. However, the mechanisms underlying the pathogenesis of severe HFMD remain unclear. This study was undertaken to clarify the role of the renin-angiotensin system (RAS) in the progression of severe HFMD...
2018: PloS One
S Y Qian, X W Li
No abstract text is available yet for this article.
May 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
Eben Jones, Timesh D Pillay, Fengfeng Liu, Li Luo, Juan Carlos Bazo-Alvarez, Chen Yuan, Shanlu Zhao, Qi Chen, Yu Li, Qiaohong Liao, Hongjie Yu, H Rogier van Doorn, Saraswathy Sabanathan
BACKGROUND: Hand, foot and mouth disease (HFMD) caused by enterovirus A71 (EV-A71) is associated with acute neurological disease in children. This study aimed to estimate the burden of long-term sequelae and death following severe HFMD. METHODS: This systematic review and meta-analysis pooled all reports from English and Chinese databases including MEDLINE and Wangfang on outbreaks of clinically diagnosed HFMD and/or laboratory-confirmed EV-A71 with at least 7 days' follow-up published between 1st January 1966 and 19th October 2015...
April 20, 2018: European Journal of Paediatric Neurology: EJPN
Wei Zhang, Wenlong Dai, Chao Zhang, Yu Zhou, Pei Xiong, Shuxia Wang, Xiaohua Ye, Qingwei Liu, Dongming Zhou, Zhong Huang
Hand, foot, and mouth disease (HFMD) is an infectious disease that mainly affects infants and children, causing considerable morbidity and mortality worldwide. HFMD is commonly caused by enterovirus 71 (EV71) and coxsackieviruses A16 (CVA16), A6 (CVA6), and A10 (CVA10). Formalin-inactivated EV71 vaccines are currently available in China; however, these vaccines fail to confer cross-protection against infections by other HFMD-causing enteroviruses, highlighting the necessity of developing a multivalent HFMD vaccine...
May 18, 2018: Emerging Microbes & Infections
Tiegang Li, Hui Wang, Yin Lu, Qin Li, Chun Chen, Dahu Wang, Meixia Li, Yilan Li, Jianyun Lu, Zongqiu Chen, Yu Ma, Wenhui Liu, Mengmeng Ma, Di Wu, Jiachun Lu, Zhicong Yang
Hand, foot and mouth disease (HFMD) primarily affects children younger than 5 years of age. Recently, HFMD has ranked as the top notifiable infectious disease in China. In December 2015, China approved two novel inactivated enterovirus 71 vaccines (EV71 vaccines) for HFMD. Parents' acceptance is often essential for vaccination program success. The goal of this study was to identify willingness and influential factors to vaccinate among parents of kindergarteners in Guangzhou, China. A cross-sectional survey of face-to-face interviews was conducted from March to July 2016...
May 15, 2018: Vaccine
Dan Yin, Yanan Zhu, Kaifeng Wang, Jing Wang, Xiru Zhang, Min Han, Yaqing He, Qing Chen, Guifang Hu
Enterovirus 71 (EV71) is one of the most common pathogens of hand, foot, and mouth disease (HFMD). A rapid reverse transcription recombinase polymerase amplification (RT-RPA) assay was established to detect EV71 subgenotype C4 (EV71-C4). The 95% detection limit of the RT-RPA was 3.767 log10 genomic copies (LGC)/reaction. The specificity was 100%. In a clinical sample evaluation, this approach demonstrated sufficient clinical performance when compared with a commercial RT-qPCR diagnostic kit. Thus, the RT-RPA assay may be a promising alternative for the detection of EV71-C4...
May 16, 2018: Archives of Virology
Morgan Murphrey, Samantha Casselman, Kevin B Yarbrough
Hand, foot, and mouth disease is a common exanthem linked to infection with several non-polio enteroviruses. This case of an 11-year-old boy with an enteroviral infection limited to areas of sunburn is an atypical presentation of hand, foot, and mouth disease. Recognition of this unusual distribution will allow pediatricians and pediatric dermatologists to appropriately manage and counsel patients and parents.
May 16, 2018: Pediatric Dermatology
Yuefei Jin, Chao Zhang, Hui Wang, Guangyuan Zhou, Xiangpeng Wang, Rongguang Zhang, Shuaiyin Chen, Jingchao Ren, Lu Chen, Dejian Dang, Peng Zhang, Yuanlin Xi, Weidong Wu, Weiguo Zhang, Guangcai Duan
Enterovirus (EV) 71 infection has been widely acknowledged as the leading cause of severe hand, foot and mouth disease (HFMD), which may rapidly lead to fatal pulmonary edema. In this study, we established a mouse model for EV71 infection exhibiting high incidence of severe symptoms with pulmonary edema. Mast cells (MCs) accumulation, activation and allergic inflammation were found in the brains, lungs and skeletal muscle of mice after EV71 infection, especially in the lungs of mice. Levels of histamine, platelet-activating factor (PAF), interleukin (IL)-4, IL-5, IL-13, tumor necrosis factor-α (TNF-α), nitric oxide (NO), endocrine gland-derived vascular endothelial growth factor (EG-VEGF) and noradrenaline (NA) were increased in EV71-infected lungs...
May 15, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
Emily Rames, Joanne Macdonald
Enteroviruses (EV) are associated with a range of serious infections, including aseptic meningitis, hand foot and mouth disease, myocarditis, acute flaccid paralysis and encephalitis. Improved methods for assessing EV genotypic diversity could assist molecular epidemiology studies, clinical diagnosis and environmental surveillance. We report new methods for EV genome amplification, and subsequent genotyping using the miniaturised MinION sequencing device. Importantly, this next-generation sequencer enabled correct strain-level assignment of identity for the EV-A71 isolate assessed, where strains with up to 99...
July 2, 2018: Virus Research
Min Wang, Qian Ren, Zhenjie Zhang, Lehai Zhang, Michael J Carr, Juan Li, Hong Zhou, Weifeng Shi
Hand, foot and mouth disease (HFMD) is a pediatric disease associated with infection by enterovirus (EV) genotypes. The major HFMD EV pathogens are enterovirus A71 (EVA71) and coxsackievirus A16 (CVA16); however, recently, coxsackievirus A6 (CVA6) and coxsackievirus A10 (CVA10) have also emerged. EV genotypes cannot be distinguished on clinical grounds and a new methodology for the rapid detection of the four major HFMD EV genotypes is urgently required. In the present study, a multiplex real-time PCR assay was established for the simultaneous detection of CVA6, CVA10, CVA16 and EVA71...
May 11, 2018: Journal of Virological Methods
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