Coronavirus Disease 2019 Patients in Earlier Stages Exhaled Millions of Severe Acute Respiratory Syndrome Coronavirus 2 Per Hour.
Jianxin MaXiao QiHaoxuan ChenXinyue LiZheng ZhangHaibin WangLingli SunLu ZhangJiazhen GuoLidia MorawskaSergey A GrinshpunPratim BiswasRichard C FlaganMaosheng YaoPublished in: Clinical infectious diseases : an official publication of the Infectious Diseases Society of America (2021)
Coronavirus disease 2019 (COVID-19) patients exhaled millions of severe acute respiratory syndrome coronavirus 2 RNA copies per hour, which plays an important role in COVID-19 transmission. Exhaled breath had a higher positive rate (26.9%, n = 52) than surface (5.4%, n = 242) and air (3.8%, n = 26) samples.