Positive results Positive results Positive results Negative results Negative results Negative results
Sample type Samples, n Mild cases, n Severe cases, n Samples, n Mild cases, n Severe cases, n
NP swab 461 56 20 254 11 8
OP swab 151 29 14 165 9 10
NP+OP swaba 197 64 1 296 3 0
All URT swabs 809 149 35 715 23 18
Sputum 376 36 23 131 0 2
Stool 172 14 11 112 11 11
Anal swab 34 5 6 71 8 12
All GIT samples 206 19 17 183 19 23
Blood 26 3 6 222 25 24
Urine 3 1 1 106 26 20