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Table 1 Transmission parameter estimates and related 95% confidence intervals (CI) for each replicate and overall treatment groups

From: Vaccination of influenza a virus decreases transmission rates in pigs

GROUP Replicate IP1 β2 (95%CI) R3 (95%CI) R4 (95%CI)
NV 1 4.7 1.99 (0.97-3.59) 9.35 (4-18.7)  
NV 2 4.2 4.71 (2.20-9) 19.81 (8.3-41.4) 10.66 (6.57-16.46)a
NV 3 4.6 1.85 (0.91-3.29) 8.51 (3.2-18.3)  
HE 1 4 0.12 (0.01-0.56) 0.51 (0.02-2.26)  
HE 2 5 0.36 (0.13-0.77) 1.8 (0.47-3.9) 0.99 (0.39-2.09)b
HE 3 3.5 0.09 (0.01-0.4) 0.32 (0.01-3.27)  
HE 4 2.4 0.53 (0.19-1.15) 1.27 (0.21-1.74)  
HO 1 0 2.2310-6 (na-0.52) 0  
HO 2 0 2.2310-6 (na-0.52) 0 0c
HO 3 0 2.9410-6 (na-0.52) 0  
  1. The number of initial infectious (Io) and susceptible (So) pigs in each replicate were Io = 1 and So = 10, except for HE 4 where the So = 9.
  2. 1IP: average duration (days) of the infectious period for the contact pigs.
  3. 2β: transmission rate per day.
  4. 3Reproduction ratio R by replicate.
  5. 4Reproduction ratio R when replicates were combined by group.
  6. a,b,cStatistically significant differences (p < 0.05).