Table 2.
Reverse transcription–polymerase chain reaction (RT-PCR) and immunochromatographic assays results of residents and health care workers in a long-term skilled nursing facility, Serrana, SP, Brazil, April and May 2020.
| Residents (N = 23) |
Health care personnel (N = 26) |
|||
|---|---|---|---|---|
| First evaluation | Three weeks later | First evaluation | Three weeks later | |
| RT-PCR | ||||
| Positive | 12 (52.17%) | 9 (39.13%) | 8 (30.77%) | |
| Serological | ||||
| IgM positive | 0 | 1 (4.35%) | 0 | 2 (7.69%) |
| IgG positive | 0 | 1 (4.35%) | 0 | 0 |
| IgM and IgG positive | 6 (26.09%) | 11 (47.83%) | 0 | 9 (34.62%) |
| IgM or IgG positive | 6 (26.09%) | 13 (56.52%) | 0 | 11 (42.30%) |
| Positive RT-PCR or serological | 15 (65.22%) | 18 (78.26%) | 8 (30.77%) | 12 (46.15%) |