Table 2

Infection of pregnant mice with B. abortus virB4 mutant or vaccine strain S19 on day 4.5 of gestation.


Fetus
 Placenta
 Spleen


Strain
 Mouse No.
 Alive
 Aborted
 Alive
 Aborted







No.
 Weight (g)*
 Bacterial No. (log)*
 No.
 Weight (g)*
 Bacterial No. (log)*
 Weight (g)*
 Bacterial No. (log)*
 Weight (g)*
 Bacterial No. (log)*
 Weight (g)
 Bacterial No. (log)
virB4 mutant
 1
 15
 1.51 (±0.21)
 3.25 (±0.16)
 0
 -
 -
 0.11 (±0.01)
 7.51 (±0.26)
 -
 -
 0.16
 5.41

2
 16
 1.43 (±0.18)
 3.24 (±0.15)
 0
 -
 -
 0.14 (±0.01)
 5.15 (±0.27)
 -
 -
 0.20
 5.38

3
 16
 1.62 (±0.13)
 1.14 (±0.08)
 0
 -
 -
 0.12 (±0.02)
 5.52 (±0.34)
 -
 -
 0.15
 4.80

4
 13
 1.51 (±0.15)
 2.52 (±0.12)
 0
 -
 -
 0.12 (±0.02)
 7.25 (±0.36)
 -
 -
 0.21
 5.61

5
 14
 1.72 (±0.17)
 3.64 (±0.24)
 0
 -
 -
 0.14 (±0.01)
 7.48 (±0.33)
 -
 -
 0.18
 5.41
S19
 1
 14
 1.43 (±0.14))
 2.54 (±0.24)
 0
 -
 -
 0.13 (±0.01)
 7.52 (±0.27)
 -
 -
 0.50
 7.12

2
 14
 1.45 (±0.18)
 2.24 (±0.20)
 0
 -
 -
 0.10 (±0.01)
 7.51 (±0.35)
 -
 -
 0.20
 6.56

3
 15
 1.35 (±0.14)
 3.23 (±0.16)
 0
 -
 -
 0.10 (±0.02)
 7.58 (±0.41)
 -
 -
 0.21
 6.63

4
 12
 1.34 (±0.17)
 3.17 (±0.27)
 1
 1.28
 3.23
 0.11 (±0.01)
 7.64 (±0.21)
 0.10
 7.39
 0.26
 6.53

5
 14
 1.35 (±0.12)
 3.26 (±0.12)
 0
 -
 -
 0.10 (±0.01)
 7.62 (±0.29)
 -
 -
 0.24
 6.96

*Average number of fetuses or placentas.

Kim et al. BMC Microbiology 2005 5:22   doi:10.1186/1471-2180-5-22