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新加坡专家：少数猴痘患者无症状 但传播率低_我的网站

一 |     （新加坡讯）感染猴痘未必一定会出现皮疹和发烧等常见症状，新加坡传染病专家指出，已有研究发现极少数感染者呈无症状状态，并有国家已斥资上百万元对猴痘的无症状传播进行大规模研究。杀伤力较大的中非株猴痘病毒（CladeI）在刚果民主共和国、中非共和国和卢旺达等非洲国家迅速传播，并扩散至非洲以外的国家，包括菲律宾和泰国都出现病例。

二 |     OKLAHOMA CITY -- An Oklahoma judge on Tuesday exonerated a man who spent 30 years in prison for a 1987 rape and burglary, after post-conviction DNA testing from a rape kit showed he did not commit the crime.Pontotoc County District Judge Steven Kessinger issued a final order that vacates Perry Lott's conviction and permanently dismisses the case. “I have never lost hope that this day would come,” Lott, 61, said in a statement. "I had faith that the truth would prevail, even after 35 long years.“I can finally shut this door and move on with my life.”Lott was released from prison in 2018 after the DNA results first came to light, but only after agreeing to a deal with former District Attorney Paul Smith to modify his sentence. The agreement allowed Lott to leave prison and remain free while his motion to vacate was litigated. At the time, Smith said the DNA evidence did not exclude Lott as a suspect.But earlier this year, the Innocence Project, which helped to free Lott, approached newly elected District Attorney Erik Johnson, who reviewed the case and agreed the conviction should be vacated.“Five years ago, all evidence pointed to his innocence, but he was denied justice,” Innocence Project Senior Staff Attorney Adnan Sultan said in a statement. "We are grateful to District Attorney Erik Johnson for his commitment to righting this wrong.”Oklahoma state law requires a conviction to be vacated in order for a wrongfully convicted person to be able to seek up to $175,000 in compensation from the state.Lott's case occurred around the same time and in the same county as the convictions of Tommy Ward and Karl Fontenot, whose cases have come under intense scrutiny and have been the subject of numerous books, including John Grisham's “The Innocent Man,” which he produced into a six-part documentary on Netflix. A federal judge ordered Fontenot released, but Ward remains in prison.The books and documentary also feature the high-profile exoneration of Ron Williamson and Dennis Fritz, who both were convicted in the same county for the 1982 killing of Ada waitress Debra Sue Carter. That case featured the same cast of investigators and prosecutors, along with the same jailhouse informant who testified against Ward and Fontenot. Williamson at one point came within days of being executed. Both were later freed.。新国已加紧边境防范，在机场和港口设立体温监测站，筛查从有猴痘传播风险国家入境的人士。人感染猴痘的初期症状包括发烧、头痛、肌肉酸痛、背痛和淋巴结肿大，之后可发展为面部和身体大范围皮疹。不过受访传染病专家说，猴痘存在无症状感染和传播的可能性，但出现的概率小。新加坡已加紧边境防范，在机场和港口设立体温监测站，筛查从有猴痘传播风险国家入境的人士。

三 | （档案照）《新明日报》报导，国际传染病学学会会长淡马亚教授（PaulTambyah）受访时指出，英国政府上个星期四（8月22日）发文告宣布，斥资100万英镑针对猴痘的无症状传播开展研究。

四 | 根据文告，已有研究表明一些人感染猴痘后不会出现任何症状，但由于这些研究的规模较小，英国政府想通过大规模调查，了解这类无症状感染的普遍性。淡马亚说，感染后确实可能症状非常轻微，比如有报道称确诊者仅是直肠内出现单一溃疡，成为猴痘传染源。这类症状很难被发现，因此可能被归纳为“无症状”，而真正的无症状传播可能性很低。传染病专家梁浩楠医生说，据他所知虽然无症状感染病例还未被记录，但的确有可能出现。不过斐瑞医院传染病专科医生卢家燊认为，人们感染后出现症状所需时间不同，“无症状”可能是在记录当下没有症状，不排除过后就会出现症状。“就像水痘一样，感染猴痘没有‘痘’的情况很少。”

猴痘不会社区接触传播非洲访客无需隔离

    新加坡国立大学杨潞龄医学院弗斯尔（DaleFisher）教授告诉《海峡时报》，猴痘不像冠病那样，会通过日常的社区接触传播。目前阶段不需要对从非洲疫情国家来新人士进行隔离，除非他们与疑似猴痘患者有过密切接触，或本身有高风险性行为。南洋理工大学李光前医学院巴纳比·扬（Barnaby Young）副教授说，鉴于猴痘的传播主要通过和确诊者长期且密切的接触，游客一般上可以免于被感染。

皮疹最明显时传染力最强

    淡马亚说，水痘和猴痘相比较下，前者在感染早期传染力最强，出疹前一两天就具传染性；而猴痘是在皮疹最明显时传染力最强。

五 | 卢家燊也指出，猴痘只要一有症状就能传播，在生出皮疹时最具传染力。梁浩楠医生也说道，猴痘病毒主要还是通过亲密接触才会感染，但在特定情况下有机会通过飞沫传播。“这种情况（的传播）很难发生，除非在配偶或伴侣之间，需要他们面对面紧挨着脸，好像要亲吻那样才有可能（飞沫）传播。

六 | ”猴痘痊愈后出疹的皮肤也能恢复如常吗？卢家燊说不一定，像水痘一样，有些人在皮疹消散后，会留下轻微的疤痕。

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Published on:06:04:18