西班牙巴塞隆納大學今天表示,西班牙病毒學家在2019年3月的廢水樣本中發現新型冠狀病毒蹤跡,比中國發現2019冠狀病毒疾病(COVID-19)要早了9個月。
Subscription and open access journals from SAGE Publishing, the world's leading independent academic publisher.
The new coronavirus was circulating in Italy since September 2019, a study by the National Cancer Institute (INT) of the Italian city of Milan shows, signaling that COVID-19 might have spread beyond C