Table 1. Baboon responses to experimental pertussis infection.
Baboon | Active B. br infection a) | Anti-Fha titer>100 IU/mlb) | Anti-LOS absorbance >0.1 b) | WBC <13,000/µlc) | CFU <106/mlc) | Response to Pertussis Infection d) |
---|---|---|---|---|---|---|
C1 | - | - | - | - | - | typical |
C2 | yes | - | - | - | - | excluded |
C3 | yes | - | - | yes | - | excluded |
C4 | yes* | yes | yes | yes | yes | excluded |
C5 | - | yes | yes | yes | yes | atypical |
C6 | - | - | - | - | - | typical |
C7 | - | - | - | - | - | typical |
T1 | - | yes | yes | yes | yes | atypical |
T2 | - | yes | yes | yes | yes | atypical |
T3 | - | yes | yes | yes | yes | atypical |
T4 | - | yes | yes | yes | yes | atypical |
T5 | yes | yes | yes | - | yes | excluded |
T6 | - | yes | yes | - | yes | atypical |
T7 | - | - | - | - | - | typical |
T8 | - | - | - | - | - | typical |
a) B. br =B. bronchiseptica; -animal did not exhibit this behavior ; *=B. br infection identified by standard microbiological techniques. b) Anti-Fha and anti-LOS titers were measured in serum samples collected on day 9/10 after experimental pertussis infection. c) WBC and CFU values were collected from day 2/3 serum samples. d) Typical baboon responses to experimental pertussis infection are defined by WBC >13,000 /µl, CFU >106/ml on day 2/3 and low Fha and LOS serum titers; animals with known or suspected B. bronchiseptica infection were excluded from this classification.