Pre-existing virus-specific CD8(+) T-cells provide protection against pneumovirus-induced disease in mice

van Helden, M.J.G.; van Kooten, P.J.; Bekker, C.P.J.; Grone, A.; Topham, D.J.; Easton, A.J; Boog, C.J.P.; Busch, D.H.; Zaiss, D.M.W.; Sijts, E.J.A.M.