Table 2: Showing variability of sensitivity depending on site of sample collection in 205 COVID-19 Wuhan patients [44].

Sample's source

Sensitivity

Bronchoalveolar lavage fluid specimens

93% (14/15)

Sputum

72% (75/104)

Nasal swabs

63% (5/8)

Fibro bronchoscope brush biopsy

46% (6/13)

Pharyngeal swabs

32% (126/398)

Feces

29% (44/153)

Blood

1% (3/307)