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Foot-and-mouth Disease - Europe PMC

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Last Updated: 17 May 2022

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Foot-and-mouth disease virus localisation on follicular dendritic cells and sustained induction of neutralising antibodies is dependent on binding to complement receptors (CR2/CR1).

After acute infection, we now have a similar pattern of FMDV protein staining in mouse spleens, which has shown that FMDV proteins are colocalized with FDCs. In spleen samples, blocking antigen binding to complement receptor types 2 and 1 prior to infection with FMDV has significantly reduced the detection of viral proteins on FDCs and FMDV genomic RNA. FMDV binds FMDV to FDCs and sustained induction of neutralizing antibody responses in mice is dependent on FMDV binding to CR2/CR1 in mice.

Source link: https://europepmc.org/article/MED/35512014


Chemical inactivation of foot-and-mouth disease virus in bovine tongue epithelium for safe transport and downstream processing.

In McIlvaine's citrate-phosphate buffer or phosphate-buffered saline at room temperature for 2, 6, 24, or 48 h, tissue was homogenized and tested by virus isolation and titration using LFBK Vi 6 cells. The quality of FMD viral RNA was determined by RT-qPCR, Sanger sequencing of the VP1 region, and transfection of LFBK V6 cells to recover infectious virus. No evidence of decreased FMD viral RNA resulting from incubation in any of the buffers for up to 48 hours, as determined by RT-qPCR, and 24 h by sequencing and transfection to recover infectious virus was found in the viral genome.

Source link: https://europepmc.org/article/MED/35523370


The effect of ambient temperature on hand, foot and mouth disease in Qingdao, China, 2014-2018.

Hand, foot, and Mouth disease is a form of infectious gastrointestinal disease. In Qingdao, the present research intends to investigate the connection between ambient temperature and HFMD. To determine the effects of daily mean temperature on HFMD prevalence, a distributed lag nonlinear model with Poisson distribution was used. The occurrence of HFMD in Qingdao is strongly associated with ambient temperature, according to our results. To prevent HFMD, it's a good idea to track ambient temperature changes.

Source link: https://europepmc.org/article/MED/35510292


Spatiotemporal cluster patterns of hand, foot, and mouth disease at the province level in mainland China, 2011-2018

Hand, foot, and throat disease, which has three monovalent EV-A71 vaccines in mainland China since 2016, remains a significant disease burden in China. All HFMD cases' data from January 2011 to December 2018 was obtained from the Chinese Center for Disease Control and Prevention's public health science data center. The effect of the EV-A71 vaccine on the incidence of HFMD was determined by a interrupted time series. According to this report, the average annual incidence of HFMD in mainland China increased by 153. 78 per 100,000 from 2011 to 2018. The high incidence areas were clustered in the southern and southeastern coastal provinces, according to the global autocorrelation report, which revealed a striking clustering pattern in each year.

Source link: https://europepmc.org/article/PPR/PPR487393


On-farm evaluation of a predictive model for Australian beef and sheep producers' vulnerability to an outbreak of foot and mouth disease.

Bayesian Network models have been created to investigate Australian sheep and beef producer vulnerability to an emergency animal disease outbreak, with the primary intention of developing a risk management system for outbreak preparedness. Discrepancies between the model predictions and on-farm evaluations have opened the possibility of investigating the data gathering process for the model development, the model's architecture, and the on-farm assessment procedure. Both continuous and discrete variables can be included in these models' functionality, avoiding the loss of nuanced data due to continuous and discrete variables' discretisation, as well as the incorporation of on-farm stakes in model design. More data collection to increase the model's sensitivity, as well as a deeper, systemic analysis of the factors that may influence Australian producers' vulnerability to an emergency animal disease outbreak could be beneficial to Australian producers.

Source link: https://europepmc.org/article/MED/35525067


Changing epidemiology of human enteroviruses (HEV) in a hand, foot and mouth disease outbreak in Vellore, south India.

Hand foot and mouth disease is a common childhood exanthematous disease that has caused outbreaks that have posed a significant public health threat in recent years. The lesions' fluids were collected in viral transport medium and then delivered cold to a Tertiary Care Hospital in Vellore's Clinical Virology Laboratory. Among the 31 HFMD patients included in this study, 23 were U5s, 3 were between 6 and 15 years old, and the remaining 5 were adolescents. Both 31 patients' palms and soles, buttocks of 19 and 12, oral mucosa of 12, and all over the body in 4 patients had papulovesicular lesions characteristic of HFMD. Changing epidemiology of HFMD had been present in this outbreak for the first time since; other serotypes of the classical Coxsackievirus serotypes that cause the HFMD epidemic were also found co-circulating. EV1 PCR was a more accurate screening assay than EV2 PCR in this region, and it was a more sensitive screening assay than EV2 PCR.

Source link: https://europepmc.org/article/MED/35491281


Epidemiological characteristics, routine laboratory diagnosis, clinical signs and risk factors for hand, -foot -and -mouth disease: A systematic review and meta-analysis.

Background Only a few monovalent EV71 vaccines have been produced in the last few years, and other enterovirus vaccines are out of order. Hand, foot, and mouth disease sufferers in 10522 countries collected in 32 papers out of 761903 cases were found in 10522 articles. Patients with severe illness had some clinical signs and had some changes in laboratory variables, including an elevated neutrophils ratio, a cluster of differentiation 4 and a reduced lymphocyte ratio, and patients with mild illness had some complications. SMD = 0. 60, 95% CI: 1. 69 to 5. 89, a fast heart rate OR = 5. 80, 95% CI: 2. 82 to 6. 30, an increased risk factors for death included cyanosis OR = 5. 82, 9. 5 percent CI: 1. 30 to 6. 30, and an elevated WBC count of 0. 60, 9. 30 to 0. 93, 95% CI: 1. 29 to 6. 30, and an increased risk factors for mortality. Conclusions: HFMD is the most common disease in China. Our meta-analysis found critical risk factors that are associated with HFMD's severity and mortality.

Source link: https://europepmc.org/article/MED/35482791


Disease burden in patients with severe hand, foot, and mouth disease in Jiangsu Province: a cross-sectional study.

In Jiangsu Province, China, this study sought to determine the disease prevalence and health-related quality of life among patients with severe hand, foot, and mouth disease. We analyzed the surveillance results of HFMD patients in Jiangsu Province from 2009 to 2020. During 2009-2020, a total of 1,348,737 reported cases of HFMD in Jiangsu province were reported to the NNDRS in Jiangsu province. Data was obtained from 362 severe HFMD patients from January 2017 to May 2018, using a structured questionnaire. Between 2017 and 2018, Jiangsu province's direct economic burden for all cases of severe HFMD was RMB 16. 64 million. 69. 23 mm. tbw children with severe HFMD's median TAPQOL scale was also 67. 3 %. People with Severe HFMD infection are a substantial burden on families, and EV-A71 infection was seen to be even higher among the population.

Source link: https://europepmc.org/article/MED/35476031


Prototypes virus of hand, foot and mouth disease infections and severe cases in Gansu, China: a spatial and temporal analysis.

Introduction to hand, foot, and mouth disease patients The acute cases and the enteroviruses infections of hand, foot, and mouth disease have been documented for a limited period of time. In Gansu province, China, this study sought to determine epidemic characteristics and spatial clusters of HFMD incidence rates and spatial clusters of HFMD incidence rates and determine the relationship between Enterovirus 71 and Coxsackievirus A16 and severe cases of HMFD. Methods Weekly county-specific HFMD data on HFMD in Gansu province, China, between 1st January and December 2018 were collected from the China Infectious Disease Information System, including enterovirus type, severe and non-severe cases. Results Dingxi City, Gansu, was named as a hot spot for temporal risk indices. SI was positively related to EC, according to the regression study. In Gansu province, the EC may be regarded as a potential early warning system for predicting severe cases of HFMD.

Source link: https://europepmc.org/article/MED/35473588


Characterization of host factors associated with the internal ribosomal entry sites of foot-and-mouth disease and classical swine fever viruses.

Positive-sense single-stranded RNA genomes and an internal ribosomal entry site element within their 5'-untranslated regions are present in Foot-and-mouth disease viruses and classical swine fever viruses, along with classical swine fever virus. We established cell lines expressing an FMDV-IRES or CSFV-IRES element between the Renilla and firefly luciferase genes to determine the common host factors associated with these IRES. To investigate the common host factors associated with these IRES, we established cell lines expressing a bicistronic luciferase reporter plasmid containing an FMDV-IRES or CSFV-IRES element present in these IRESs. First, we treated FMDV-IRES cells with Pycnogenol, a French maritime pine extract, and investigated its suppressive effect on FMDV-IRES activity, as PYC has been shown to have antiviral properties.

Source link: https://europepmc.org/article/MED/35468926

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions