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Enterovirus 71 (EV71) infection is more likely to induce severe complications and mortality than other enteroviruses. Methods for detection of IgM antibody against EV71 had been established for years, however, the performance of the methods in the very early diagnosis of EV71 infection had not been fully evaluated, which is especially meaningful because of(More)
In recent year, Enterovirus 71 (EV71)-associated hand, foot and mouth disease (HFMD) has become an important public health issue in China. EV71 has been classified into genotypes A, B1-B5 and C1-C5. With such genetic diversity, whether the convalescent or recovery antibody responses can cross-protect infections from other genotypes remains a question.(More)
Diagnosis of Coxsackievirus A16 (CA16) infection in China relies mainly on reverse transcription-polymerase chain reaction (RT-PCR) that require expensive equipment and special trained personnel, thus making its wide application in health care settings unlikely. In this study, a novel IgM anti-CA16 assay was developed for the detection of IgM antibodies to(More)
Human enterovirus 71 (EV71) is the main causative agent of hand, foot, and mouth disease (HFMD) and is associated with several severe neurological complications in the Asia-Pacific region. Here, we evaluated that while passive transfer of neutralizing monoclonal antibody (nMAb) against the VP2 protein protect against lethal EV71 infection in BALB/c mice.(More)
Atypical hand, foot, and mouth disease (aHFMD) outbreaks have been frequently reported worldwide in recent years. It is believed that coxsackievirus A6 (CA6) is the major pathogen for aHFMD. Studies regarding CA6 infection are limited and the genetic mechanism for the high pathogenicity of some new CA6 variants is still unclear. Infectious clones are(More)
Coxsackievirus B3 (CVB3) is the most common pathogen that induces acute and chronic viral myocarditis in children. The cytopathic effect (CPE)-based neutralization test (Nt-CPE) and the plaque reduction neutralization test (PRNT) are the most common methods for measuring neutralizing antibody titers against CVB3 in blood serum samples. However, these two(More)
Enterovirus 71 (EV71) is a neurotropic virus capable of inducing severe neurological symptoms and death. No direct targeting antivirals are useful in the treatment of severe EV71 infection. Because of low toxicity and good specificity, monoclonal antibodies (MAb) are a potential candidate for the treatment of viral infections. Therefore, we developed an(More)
Human enterovirus 71 (EV71) and coxsackievirus A16 (CA16) are the major etiological agents of hand, foot and mouth disease (HFMD) and are often associated with neurological complications. Currently, several vaccine types are being developed for EV71 and CA16. In this study, we constructed a bivalent chimeric virus-like particle (VLP) presenting the VP1(More)
Coxsackievirus A16 (CA16) is one of the major pathogens responsible for hand, foot and mouth disease (HFMD). The assessment of the humoral immunity response is indispensable in the development of vaccines against enteroviruses. The neutralization test based on the inhibition of cytopathic effects (Nt-CPE) is a common method for measuring neutralizing(More)
Echovirus 25 (E-25) is a member of the enterovirus family and a common pathogen that induces hand, foot, and mouth disease (HFMD), meningitis, skin rash, and respiratory illnesses. In this study, we constructed and characterized an infectious full-length E-25 cDNA clone derived from the XM0297 strain, which was the first subgenotype D6 strain isolated in(More)