This publication contains the proceedings of a Seminar on 'The Mucosal Immune System' held by the Commission of the European Communities (CEC) at the University of Bristol. School of Veterinary Science. Langford. Bristol on September 9th - 11th. 1960. The seminar formed part of the CEC programme of co-ordinated agricultural research on Protection of the Young Animal against Perinatal Disease and was organised by Professor F.J. Bourne and his colleagues Dr. T.J. Newby and Dr. C.R. Stokes. The Proceedings were edited by the organisers assisted by Janssen Services. 33a High Street. Chislehurst....