Table 1. Vaccination with M. tuberculosis H37Rv ΔRD1 protects as well as M. bovis BCG (day 28 postvaccination).
3-month challenge (log10 cfu)
|
8-month challenge (log10 cfu)
|
|||
---|---|---|---|---|
Vaccination strain | Lung | Spleen | Lung | Spleen |
4.77 ± 0.06 | 3.57 ± 0.21 | 6.61 ± 0.13 | 5.26 ± 0.11 | |
BCG | 3.96 ± 0.20** | 2.18 ± 0.18*** | 5.07 ± 0.10*** | 3.85 ± 0.17** |
H37RvΔRD1 | 3.97 ± 0.39** | 2.12 ± 0.12*** | 5.11 ± 0.14*** | 4.00 ± 0.33** |
, P < 0.01
, P < 0.001