Figure 5 .

Standardized procedures for collecting clinical samples for 2019-nCoV testing. (a) Bronchoalveolar lavage fluid collection. (b) The optimal sputum specimen is acquired from deep in the lung in the morning and is kept in a sterile container. (c) Technique for swabbing the throat. (d) Technique for swabbing the nose. (Panels a, c, and d are adapted from Netter, Frank H. Atlas of Human Anatomy. Section 2 Head and Neck: Plate 65, Plate 77; Section 4 Thorax: Plate BP 44. Philadelphia (USA): Elsevier, Copyright © 2018)¹⁴.