Table 1.
Saliva samples | Presence of viral RNA in saliva |
RAD of RT-qPCR pos saliva |
||||
---|---|---|---|---|---|---|
RT-qPCRa |
Rapid Response | DIAGNOS | Infectivityb | |||
Pos | Neg | |||||
COVID-19 hospitalized patients (N) | 39 | 18/39 | 21/39 | 7/18 (38.9%) | 9/18 (50.0%) | 1/18 |
Gender Male Female |
28 (71.8%) 11 (28.2%) |
13/28 (46.4%) 5/11 (45.5%) |
15/28 (53.6%) 6/11 (54.5%) |
5/13 (38.5%) 2/5 (40.0%) |
6/13 (46.2%) 3/5 (60.0%) |
1/18 0/18 |
Median age (yr) | 57.0 (32–84) | 60.0 (39–78) | 56.0 (32–84) | 59.0 (43–75) | 55.0 (43–75) | 51 |
Median DPS | 11.0 (5–30) | 10.0 (5–30) | 11.0 (7–24) | 7.0 (5–30) | 7.0 (5–30) | 6 |
Healthcare workers | 20 | 0/20 | 20/20 | 0/20 | 0/20 |
DPS: Days post symptom onset.
16 saliva samples were positive for both the envelope and RdRp genes, whereas 2 samples were only positive for the RdRp gene.
Containing infectious virus as determined by CPE and replication in cell culture.