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世卫组织于2014年3月17日将脊灰自中非,尤其是从喀麦隆发生国际传播的风险评估提高到很高。从赤道几内亚出现的一起新输出事件表明,自中非发生国际传播的风险仍然很高。巴西于2014年6月18日报告,于2014年3月在圣保罗州维拉科波斯国际机场采集的污水样本中发现了1型野生脊灰病毒。基因序列分析表明,这一病毒与赤道几内亚正在流行的病毒最为紧密相关。赤道几内亚于2014年报告发生了4例1型野生脊灰病毒病例。指示病例为赤道几内亚自1999年以来报告出现的首位病例,其出现麻痹时间为2014年1月28日;该国最新一位病例发生在2014年4月3日。基因序列分析表明,这些病例与喀麦隆正在出现的1型野生脊灰病毒疫情相关(喀麦隆最新一位病例出现在2014年1月31日)。赤道几内亚正在开展疫情应对活动,今
WHO raised the risk assessment of the international spread of polio from Central Africa, particularly Cameroon, on 17 March 2014. A new export from Equatorial Guinea shows that the risk of international communications from Central Africa remains high. Brazil reported on June 18, 2014 that type 1 wild poliovirus was found in a sample of sewers collected at the Velazquez Persia International Airport in São Paulo State in March 2014. Sequence analysis revealed that the virus is most closely linked to the pandemic virus in Equatorial Guinea. In 2014, Equatorial Guinea reported 4 cases of type 1 wild poliovirus. The indicated case is the first reported case of Equatorial Guinea reported since 1999 with an onset of paralysis of 28 January 2014; the latest case in the country occurred on 3 April 2014. Genetic sequence analysis showed that these cases were linked to the emerging outbreak of wild poliovirus type 1 in Cameroon (the latest in Cameroon appeared on January 31, 2014). Equatorial Guinea is in the midst of an outbreak response, now