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Coronavirus survives on skin five times longer than flu
Published on: 2020-10-20
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5 times 2The coronavirus remains active on human skin for nine hours, Japanese researchers have found, in a discovery they said showed the need for frequent hand washing to combat the COVID-19 pandemic.

The pathogen that causes the flu survives on human skin for about 1.8 hours by comparison, said the study published this month in the Clinical Infectious Diseases journal.

“The nine-hour survival of SARS-CoV-2 (the virus strain that causes COVID-19) on human skin may increase the risk of contact transmission in comparison with IAV (influenza A virus), thus accelerating the pandemic,” it said.

5 times 3The research team tested skin collected from autopsy specimens, about one day after death.

Both the coronavirus and the flu virus are inactivated within 15 seconds by applying ethanol, which is used in hand sanitizers.

“The longer survival of SARS-CoV-2 on the skin increases contact-transmission risk; however, hand hygiene can reduce this risk,” the study said.

The study backs World Health Organization guidance for regular and thorough hand washing to limit transmission of the virus, which has infected nearly 40 million people around the world since it first emerged in China late last year.

新冠病毒可在人体肌肤表面存活9小时

新冠病毒可在人类肌肤上保持活性9小时,而相较之下,造成流行性感冒的病毒只停留约1.8小时。

这份刊登在10月号《临床传染病》的研究指出:“和A-型流感病毒相比,造成新冠肺炎的病毒株SARS-CoV-2会存活在人类皮肤9小时,或许会增加接触传染风险,从而加速疫情扩散。”

研究团队从解剖样本采集了病患死亡约1天后的皮肤进行测试。喷洒干洗手使用的乙醇后,新冠病毒和流感病毒都会在15秒内失去活性。研究指出,新冠病毒在皮肤上存活时间较长,增加了接触传染的风险,但手部清洁可降低这种风险。

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