Letters to the editor

Abstract
Extract Sir, Equine herpesvirus type 1 (EHV1) (equine rhinopneumonitis virus) has been reported by Bagust ( 1971 Bagust, T. J. 1971. The equine herpesviruses. Vet. Bull, 41(2): 79–91. [Google Scholar] ) to have a world-wide distribution. The virus was regarded by Studdert ( 1974 Studdert, M. J. 1974. Comparative aspects of equine herpesviruses. Cornell Vet., 64: 94–122. [PubMed] [Google Scholar] ) as a major cause of equine respiratory disease and abortion.