Characterisation of the specificity, functionality and durability of host T-cell responses against the full-length hepatitis E virus by Brown, A, Halliday, J, Swadling, L, Madden, R, Bendall, R, Hunter, J, Maggs, J, Simmonds, P, Smith, D, Vine, L, McLaughlin, C, Collier, J, Bonsall, D, Jeffery, K, Dunachie, S, Klenerman, P, Izopet, J, Kamar, N, Dalton, H, Barnes, E