这个难说啊，王辰院士说就算确诊病人，只有有30-50%的核酸检验是阳性，太多假阴性了。这个病取样只有肺泡取样才是最靠谱了，咽喉拭子不靠谱。意大利人估计取样技术还需要改进。 Reddit有人总结说先自我隔离之后发生症状，联系医院后检测是阳性： The article says that: - the three guys arrived in Italy through Moscow on 19/2 - they were tested for temperature and resulted negative - they self-quarantined themselves - after a couple of days, they got feverish and contacted the sanitary authority - they got sent to the hospital - they tested positive for SARS-CoV-2
https://www.reddit.com/r/Coronavirus/comments/f8bmz9/3_chinese_citizens_in_italy_that_have_avoided_the/
https://www.lastampa.it/cuneo/2020/02/23/news/test-per-il-coronavirus-non-negativo-tre-cittadini-cinesi-ricoverati-all-ospedale-carle-di-cuneo-1.38506874
这个难说啊，王辰院士说就算确诊病人，只有有30-50%的核酸检验是阳性，太多假阴性了。这个病取样只有肺泡取样才是最靠谱了，咽喉拭子不靠谱。意大利人估计取样技术还需要改进。
Reddit有人总结说先自我隔离之后发生症状，联系医院后检测是阳性：
The article says that: - the three guys arrived in Italy through Moscow on 19/2 - they were tested for temperature and resulted negative - they self-quarantined themselves - after a couple of days, they got feverish and contacted the sanitary authority - they got sent to the hospital - they tested positive for SARS-CoV-2
中國人太聰明，共產黨對武漢封城都擋不住往外跑的。世界大流行是擋不住了。現在就看誰能拖到夏天，希望病毒能被熱死。