Table 1.
Vaccine treatment | n | Dilution | |||||
---|---|---|---|---|---|---|---|
1 : 40 | 1 : 80 | 1 : 160 | 1 : 320 | 1 : 640 | 1 : 1280 | ||
MVA SC | 26 | 90.86* | 85.63 | 78.47 | 69.53 | 59.98 | 52.42 |
Dryvax | 12 | 86.77 | 82.23 | 74.68 | 64.58 | 54.99 | 44.05 |
MVA IM | 15 | 91.10* | 86.61 | 78.79 | 71.34 | 60.09 | 47.26 |
*MVA SC and IM vaccinees have a significantly greater capability to neutralize variola virus at a 1 : 40 dilution compared with Dryvax vaccinees (P=0.02).