奧密克戎病毒繁殖速度超快

The Omicron COVID variant has been found to multiply about 70 times quicker than the original and Delta versions of coronavirus in tissue samples taken from the bronchus, the main tubes from the windpipe to the lungs, in laboratory experiments that could help explain its rapid transmission.

實驗室在從支氣管(連接氣管和肺的主要管道)提取的組織樣本中發(fā)現(xiàn)，奧密克戎新冠變種毒株的復制速度比原始新冠毒株和德爾塔毒株大約快70倍。這一實驗有助于解釋奧密克戎毒株的傳播速度為什么這么快。

The study, by a team from the University of Hong Kong, also found the new variant grew 10 times slower in lung tissue, which the authors said could be an indicator of lower disease severity.
香港大學的一個團隊開展的這項研究還發(fā)現(xiàn)，新變異株在肺部組織內(nèi)的繁殖速度會降低10倍，研究作者稱，這可能意味著病情不會那么重。

Michael Chan Chi-wai, who led the work, said the result needed to be interpreted with caution because severe disease is determined not only by how quickly the virus replicates but also by a person’s immune response and, in particular, whether the immune system goes into overdrive, causing a so-called cytokine storm.
研究領頭人陳志偉(音譯)表示，應謹慎看待這一結(jié)果，因為是否發(fā)展為重癥不僅取決于病毒復制的速度，還取決于人體的免疫反應，特別是免疫系統(tǒng)是否會因過激反應導致所謂的細胞因子風暴。