The Getah virus(GETV),a mosquito-borne RNA virus,is widely distributed in Oceania and Asia.GETV is not the only pathogenic to horses,pigs,cattle,foxes and boars,but it can also cause fever in humans.Since its first re...The Getah virus(GETV),a mosquito-borne RNA virus,is widely distributed in Oceania and Asia.GETV is not the only pathogenic to horses,pigs,cattle,foxes and boars,but it can also cause fever in humans.Since its first reported case in Chinese mainland in 2017,the number of GETV-affected provinces has increased to seventeen till now.Therefore,we performed an epidemiologic investigation of GETV in the Xinjiang region,located in northwestern China,during the period of 2017-2020.ELISA was used to analyze 3299 serum samples collected from thoroughbred horse,local horse,sheep,goat,cattle,and pigs,with thoroughbred horse(74.8%),local horse(67.3%),goat(11.7%),sheep(10.0%),cattle(25.1%)and pigs(51.1%)being positive for anti-GETV antibodies.Interestingly,the neutralizing antibody titer in horses was much higher than in other species.Four samples from horses and pigs were positive for GETV according to RT-PCR.Furthermore,from the serum of a local horse,we isolated GETV which was designated as strain XJ-2019-07,and determined its complete genome sequence.From the phylogenetic relationships,it belongs to the Group III lineage.This is the first evidence of GETV associated to domestic animals in Xinjiang.Overall,GETV is prevalent in Xinjiang and probably has been for several years.Since no vaccine against GETV is available in China,detection and monitoring strategies should be improved in horses and pigs,especially imported and farmed,in order to prevent economic losses.展开更多
Globally,cestode zoonoses cause serious public health problems,particularly in Asia.Among all neglected zoonotic diseases,cestode zoonoses account for over 75%of global disability adjusted life years(DALYs)lost.An int...Globally,cestode zoonoses cause serious public health problems,particularly in Asia.Among all neglected zoonotic diseases,cestode zoonoses account for over 75%of global disability adjusted life years(DALYs)lost.An international symposium on cestode zoonoses research and control was held in Shanghai,China between 28th and 30th October 2012 in order to establish joint efforts to study and research effective approaches to control these zoonoses.It brought together 96 scientists from the Asian region and beyond to exchange ideas,report on progress,make a gap analysis,and distill prioritizing settings with a focus on the Asian region.Key objectives of this international symposium were to agree on solutions to accelerate progress towards decreasing transmission,and human mortality and morbidity caused by the three major cestode zoonoses(cystic echinococcosis,alveolar echinococcosis,and cysticercosis);to critically assess the potential to control these diseases;to establish a research and validation agenda on existing and new approaches;and to report on novel tools for the study and control of cestode zoonoses.展开更多
基金supported by the National Program on Key Research Project of China(2018YFD0500104 and 2018YFD0500803)Technologies for Prevention and Control of Virus Zoonoses,Chinese Academy of Medical Sciences(2020-12M-5-001)。
文摘The Getah virus(GETV),a mosquito-borne RNA virus,is widely distributed in Oceania and Asia.GETV is not the only pathogenic to horses,pigs,cattle,foxes and boars,but it can also cause fever in humans.Since its first reported case in Chinese mainland in 2017,the number of GETV-affected provinces has increased to seventeen till now.Therefore,we performed an epidemiologic investigation of GETV in the Xinjiang region,located in northwestern China,during the period of 2017-2020.ELISA was used to analyze 3299 serum samples collected from thoroughbred horse,local horse,sheep,goat,cattle,and pigs,with thoroughbred horse(74.8%),local horse(67.3%),goat(11.7%),sheep(10.0%),cattle(25.1%)and pigs(51.1%)being positive for anti-GETV antibodies.Interestingly,the neutralizing antibody titer in horses was much higher than in other species.Four samples from horses and pigs were positive for GETV according to RT-PCR.Furthermore,from the serum of a local horse,we isolated GETV which was designated as strain XJ-2019-07,and determined its complete genome sequence.From the phylogenetic relationships,it belongs to the Group III lineage.This is the first evidence of GETV associated to domestic animals in Xinjiang.Overall,GETV is prevalent in Xinjiang and probably has been for several years.Since no vaccine against GETV is available in China,detection and monitoring strategies should be improved in horses and pigs,especially imported and farmed,in order to prevent economic losses.
基金This international symposium was supported by the Chinese Ministry of Healththe National Institute of Parasitic Diseases,Chinese Center for Disease Control and Preventionthe Asian Science and Technology Strategic Cooperation Promotion Programs sponsored by the special Coordination Funds for Promotion Science and Technology,MEXT for three years(2010–2012)to Akira Ito.
文摘Globally,cestode zoonoses cause serious public health problems,particularly in Asia.Among all neglected zoonotic diseases,cestode zoonoses account for over 75%of global disability adjusted life years(DALYs)lost.An international symposium on cestode zoonoses research and control was held in Shanghai,China between 28th and 30th October 2012 in order to establish joint efforts to study and research effective approaches to control these zoonoses.It brought together 96 scientists from the Asian region and beyond to exchange ideas,report on progress,make a gap analysis,and distill prioritizing settings with a focus on the Asian region.Key objectives of this international symposium were to agree on solutions to accelerate progress towards decreasing transmission,and human mortality and morbidity caused by the three major cestode zoonoses(cystic echinococcosis,alveolar echinococcosis,and cysticercosis);to critically assess the potential to control these diseases;to establish a research and validation agenda on existing and new approaches;and to report on novel tools for the study and control of cestode zoonoses.