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Enterovirus A71 (EV-A71) infections are a major Asia-Pacific health issue. However, this infection can cause serious and potentially fatal neurological issues. We attempt to explain EV-A71's molecular virology, epidemiology, and recombination events in this review. The clinical and neurological signs of EV-A71 infections are well documented. The review discusses EV-A71 central nervous system infections' causes, diagnostic criteria, treatment choices, and prognosis. Some consequences are aseptic meningitis, acute flaccid paralysis, and acute transverse myelitis. These problems' pathophysiology and EV-A71's central nervous system molecular processes are examined in the review. EV-A71 infections must be diagnosed accurately for therapy. No particular antiviral medications exist for EV-A71 infections, thus supportive care is the main treatment. The study emphasises addressing symptoms including temperature, dehydration, and pain to ease suffering. EV-A71 CNS infections have different prognoses depending on severity. The review discusses long-term effects and neurological sequelae of EV-A71 infections. In conclusion, Asia-Pacific public health is threatened by EV-A71 infections. This review helps prevent, diagnose, and treat EV-A71 infections by addressing the mechanisms, diagnostic criteria, treatment choices, and prognosis. This study fully examines the challenges and considerations of managing and treating EV-A71 infections. It also recommends future research and development to generate effective viral infection treatments.
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http://dx.doi.org/10.1016/j.bj.2024.100715 | DOI Listing |
Front Immunol
September 2025
Department of Infectious Diseases, Xi'an Jiaotong University Second Affiliated Hospital, Xi'an, China.
Objective: Enterovirus 71 (EV-A71) is a major pathogen of severe hand, foot and mouth disease (HFMD) in children, but the mechanism by which it develops into severe HFMD remains unclear, especially the role of macrophage-mediated immune dysregulation.
Methods: Bioinformatics tools were utilized to analyze the transcriptome sequencing results of peripheral blood monocytes (PBMCs) infected with different titers of EV-A71 at various time points. Single-cell sequencing technology was used to sequence obtained PBMCs from a severe HFMD patient due to EV-A71 and a healthy control.
The non-polio enteroviruses enterovirus-D68 (EV-D68) and enterovirus-A71 (EV-A71) are highly prevalent and considered pathogens of increasing health concern. While most enterovirus infections are mild and self-limiting, severe complications ranging from meningitis, encephalitis, to acute flaccid paralysis can occur, especially in children and immunocompromised patients. Despite the global burden of neurological complications caused by EV-D68 and EV-A71, the underlying neuropathogenesis remains poorly understood.
View Article and Find Full Text PDFMicroorganisms
August 2025
Enterovirus and Enteric Viruses Laboratory, Viral Disease, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB R3E 3R2, Canada.
Non-polio enteroviruses continue to cause numerous epidemics world-wide that range from mild to severe disease, including acute flaccid paralysis, meningitis, severe respiratory infections and encephalitis. Using publicly available data we present a comprehensive global and regional temporal distribution of non-polio enteroviruses, with a focus on highly prevalent genotypes. We found that regional distribution did vary compared to global prevalence where the top prevalent genotypes included CVA6 and EV-A71 in Asia, EV-D68 in North America and CVA13 in Africa, while E-30 was prevalent in Europe, South America and Oceania.
View Article and Find Full Text PDFInt J Mol Sci
August 2025
State Key Laboratory of Drug Regulatory Science, NHC Key Laboratory of Research on Quality and Standardization of Biotech Products, NMPA Key Laboratory for Quality Research and Evaluation of Biological Products, Research Units of Innovative Vaccine Quality Evaluation and Standardization, Chinese Aca
Enterovirus A71 (EVA71) is a major pathogen that causes hand, foot, and mouth disease (HFMD). Although the symptoms of HFMD can be self-limiting, severe meningitis, encephalitis, myocarditis, and acute flaccid paralysis may occur. Upon EVA71 infection, the host cells deploy an intricate network of factors to orchestrate cellular responses and maintain cellular homeostasis.
View Article and Find Full Text PDFJ Med Virol
September 2025
Department of Laboratory Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China.
Mounting evidence indicates that pexophagy plays a pivotal role in various physiological and pathological processes. However, the crosstalk between pexophagy and enterovirus 71 (EV71) replication remains to be illustrated. The study aims to explore the molecular mechanisms and pathogenesis underlying the role of pexophagy in EV71 infection.
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