Nasopharyngeal and oropharyngeal swab specimens were collected with synthetic fiber swabs; each swab was inserted into a separate sterile tube containing 2 to 3 ml of viral transport medium.

鼻咽和口咽拭子标本采用合成纤维拭子采集； 每个拭子被插入一个单独的无菌试管中， 试管中装有 2 至 3 毫升的病毒转运培养基。