Table 2.
Summary of prior studies since 2002 to detect vaccinia virus or viral DNA in the blood or throat
| Site | Test | No. Specimens Positive/No.Tested (%) | No. Vaccinees Positive/No.Tested (%) | Reference |
|---|---|---|---|---|
| Blood1 | PCR | 0/220 (0%) | 0/28 (0%) | [4] |
| Blood2 | PCR | 5/125 (4%) | 5/77 (6.5%) | [6] |
| Blood1 | Culture | 0/220 (0%) | 0/28 (0%) | [4] |
| Blood1,2 | Culture | 0/665 (0%) | 0/95 (0%) | [5] |
| Blood1 | Antigen3 | 0/220 (0%) | 0/28 (0%) | [4] |
| Throat | PCR | 12/125 (9.6%) | 11/77 (14%) | [6] |
| Throat | PCR | 0/801 (0%) | 0/144 (0%) | [7] |
| Throat | Culture | 0/801 (0%) | 0/144 (0%) | [7] |
| Throat | Antigen3 | 0/801 (0%) | 0/144 (0%) | [7] |
1
whole blood
2
plasma
3
antigen detected by electrochemiluminescence