translate English to French: In 1997, as a result of an importation, an epidemic started in British Columbia among students attending Simon Fraser University and spread within the province.
The failures followed polyribosylribitol phosphate-diphtheria toxoid conjugate (PRP-D, Pasteur Mérieux Connaught) (one case), polyribosylribitol phosphate-tetanus toxoid conjugate (PRP-T, Pasteur Mérieux Connaught) (one after four doses) and unspecified older vaccines in three.