CXCL10 and infection: The kinetics of IP-10 production are marked by a significant peak of 861.8 pg/mL ± 136.2 SEM at day 2 after infection IP-10 levels remain significantly high until day 7 and return to constitutive levels at day 8 p.i. (130.4 pg/mL ± 70.2 SEM and 30.1 pg/mL ± 7.6 SEM, resp).