CXCL8 and infection: To assure that PPRV induces IL-8 through hTLR2 activation in HEK293-hTLR2 cells, cells were treated with a neutralizing anti-HTLR2 antibody (or isotype control antibody) prior to infection with inactivated PPRV ICV’89 and secretion of IL-8 was evaluated by ELISA.