Table 4.

Behavioral scores as a function of initial or reexposure (28 d later) to mTNF-α

	Sickness profile	Motor activity	Social interaction
Sal/sal	1.0 ± 0	2.60 ± 0.13	1.82 ± 0.06
Sal/TNF (1.0 μg)	1.6 ± 0.11	2.02 ± 0.15*	1.78 ± 0.11
TNF (0.5 μg)/TNF (1.0 μg)	3.0 ± 0.20^,*	1.35 ± 0.12^,*	2.98 ± 0.18^,*
TNF (1.0 μg)/TNF (1.0 μg)	2.8 ± 0.20^,*	1.60 ± 0.14^,*	2.98 ± 0.17^,*
TNF (2.0 μg)/TNF (1.0 μg)	2.8 ± 0.18^,*	1.30 ± 0.11^,*	2.95 ± 0.18^,*

*p < 0.05 relative to saline/saline (Sal/sal).
**p < 0.05 relative to Sal/TNF.