2019冠狀病毒病: 揭開下水道的秘密
污水可以透視出一個城市的健康狀況。
Sample pretreatment in the laboratory
qPCR detection of virus in sewage
Professor Tong Zhang (second from left) introducing the sewage monitoring system to the Chief Executive Mrs Carrie Lam at HKU sewage testing laboratory
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