Group

Geometric Mean Titre

PRE-VAC

1 WK POST VAC

2 WKS POST VAC

4 WKS POST VAC

A (n = 10)

6.06

42.22

147.02

137.17

B (n = 9)

6.85

69.77

188.11

87.08

C (n = 8)

4.75

5.65

4.36

5.18

D (n = 10)

3.24

3.03

3.48

2.82