Table 4.
Proportion of persons and proportion of positive swabs with a positive viral culture in relation to days after illness onset date (first symptom onset or first positive test for asymptomatic individuals) stratified by vaccination status, California and Colorado, January–April 2021.
|
Time from illness onset date |
||||||
|---|---|---|---|---|---|---|
|
0–5 days |
6–10 days |
>10 days |
||||
| Proportion of persons culture positive (%) | Proportion of RT-PCR-positive swabs culture positive (%) | Proportion of persons culture positive (%) | Proportion of RT-PCR-positive swabs culture positive (%) | Proportion of persons Culture Positive (%) | Proportion of RT-PCR-positive swabs culture positive (%) | |
| Fully Vaccinated | 2/6 (33%) | 2/9 (22%) | 1/4 (25%) | 4/19 (21%) | 1/5 (20%) | 3/14 (21%) |
| Partially Vaccinated | 0/4 (0%) | 0/5 (0%) | 0/2 (0%) | 0/2 (0%) | 0/5 (0%) | 0/5 (0%) |
| Recently Vaccinated | 8/16 (50%) | 9/23 (39%) | 2/10 (20%) | 2/17 (12%) | 0/16 (0%) | 0/18 (0%) |
| Not vaccinated | 97/160 (61%) | 103/181 (57%) | 41/103 (40%) | 49/161 (30%) | 0/168 (0%) | 0/183 (0%) |
| Total | 107/186 (58%) | 114/218 (52%) | 44/119 (37%) | 55/199 (28%) | 1/194 (1%) | 3/220 (1% |
Abbreviation: RT-PCR – reverse transcription polymerase chain reaction.