Table 1 Challenge results in control and vaccinated sheep with live and inactivated Romanian SPPV vaccine. Antibody neutralizing titers of vaccinated sheep obtained before challenge. The infectious titer represents the maximum value obtained between day 6 and 8 post challenge
From: Comparative innocuity and efficacy of live and inactivated sheeppox vaccines
Vaccine | Animals | Hypersensitivity titer in TCID50 | Antibody neutralizing titers in log10 | Infectious titer (ID50/ml) | Protection value | ||||
|---|---|---|---|---|---|---|---|---|---|
Per animal | Group average | Per animal | Group average | Per animal | Group average | Per animal | Group average | ||
Control animals | 299 | 0 | 0 | 0 | 0 | 5.2 | 5,4(a) | 0 | 0(a) |
277 | 0 | 0 | 5.6 | 0 | |||||
Live SPPV vaccine | 977 | 1,6 | 1,6 | 1,9 | 1,7 | 1,5 | 0,75(b) | 3,9 | 4,6(b) |
928 | 1,6 | 1,26 | 0,5 | 4,9 | |||||
934 | 1,4 | 1,98 | 0,5 | 4,9 | |||||
999 | 1,8 | 1,5 | 0,5 | 4,9 | |||||
Inactivated SPPV vaccine | 948 | 2,7 | 2,2 | 1,98 | 2,2 | 2,1 | 1,4 (b) | 3,3 | 4 (b) |
941 | 0 | 2,22 | 2,5 | 2,9 | |||||
949 | 4,5 | 2,46 | 0,5 | 4,9 | |||||
397 | 1,1 | 1,98 | 0,5 | 4,9 | |||||
398 | 2,5 | 2,46 | 0,5 | 4,9 | |||||
998 | 0,9 | 1,74 | 0,5 | 4,9 | |||||
973 | 4,5 | 2,46 | 0,5 | 4,9 | |||||
969 | 1,5 | 2,7 | 4,1 | 1,3 | |||||