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An increasingly common mutation of the novel coronavirus found in Europe, North America and parts of Asia may be more infectious but appears less deadly, according to a prominent infectious diseases doctor.
一位杰出的传染病医师指出,在欧洲、北美和亚洲部分地区发现的一种日益常见的新冠病毒变异体可能更具传染性,但似乎没有那么致命。
Paul Tambyah, senior consultant at the National University of Singapore and president-elect of the International Society of Infectious Diseases, said evidence suggests the proliferation of the D614G mutation in some parts of the world has coincided with a drop in death rates, suggesting it is less lethal.
新加坡国立大学的高级顾问、国际传染病学会的候任主席保罗·坦布亚表示,有证据显示,D614G变异毒株在世界部分地区扩散的同时,致死率也下降了,这意味着这种新冠病毒变异体没那么致命。
"Maybe that's a good thing to have a virus that is more infectious but less deadly," Tambyah told Reuters.
坦布亚告诉路透社说:“病毒更具传染性但却没那么致命,这也许是件好事。”
Tambyah said most viruses tend to become less virulent as they mutate.
坦布亚说,大多数病毒在变异过程中毒性都会降低。
"It is in the virus' interest to infect more people but not to kill them because a virus depends on the host for food and for shelter," he said.
他说:“病毒感染更多人但却不杀死他们,这对病毒有利,因为病毒依赖宿主才能得到食物和庇护所。”
Scientists discovered the mutation as early as February and it has circulated in Europe and the Americas, the World Health Organization said. The WHO has also said there is no evidence the mutation has led to more severe disease.
世界卫生组织称,科学家早在二月份就发现病毒变异,当时变异毒株在欧洲和美洲传播。世卫组织还表示,没有证据表明变异毒株会引发更严重的疾病。
On Sunday, Malaysia's director-general of health Noor Hisham Abdullah urged greater public vigilance after authorities detected what they believe was the D614G mutation of the coronavirus in two recent clusters.
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