CD6 and infection: 2011; Escaffre et al. 2013). There is development of lethal infection in hamsters when leukocytes loaded with NiV are passively transferred (Mathieu et al. 2011). In pigs, there is productive infection of monocytes, natural killer (NK) cells along with CD6 + CD8+ T lymphocytes (Stachowiak and Weingartl 2012).