Table 2.
Variation of viral load, IgM and IgG before and after convalescent plasma transfusion
| HCW |
4 |
7 |
8 |
|||
|---|---|---|---|---|---|---|
| Viral load (×103 copies/mL) | ||||||
| before transfusion | 495 | 76 | 650 | |||
| after transfusiona | 0 | 0.001 | 0 | |||
| IgM (units of fluorescent intensity) | ||||||
| before transfusion | 879 | 144 | 69 | |||
| after transfusion | ||||||
| day 1 | 730 | 1516 | 223 | |||
| day 3 | 1872 | 7982 | 307 | |||
| day 5 | NA | 5731 | 525 | |||
| >1 month | 84 | 104 | NA | |||
| IgG (units of fluorescent intensity) | ||||||
| before transfusion | 3461 | 1124 | 254 | |||
| after transfusion | ||||||
| day 1 | 5191 | 3388 | 1594 | |||
| day 3 | 9124 | 58252 | 2476 | |||
| day 5 | NA | 56729 | 8259 | |||
| >1 month | 1012 | 1199 | NA | |||
NA, not available.
a
Tested after 18–24 h.