A director with the Canadian Food Inspection Agency says a P-E-I oyster parasite has spread to the majority of bays and rivers around the Island. Kathy Brewer-Dalton called the extensive spread of the M-S-X parasite not a big surprise, noting testing of the Island’s waterways has yet to be completed. Brewer-Dalton made the comments alongside the agency’s regional veterinary officer at a provincial legislative committee today. Both stressed the full impact of the parasite remains unknown since the disease and the way it spreads are not very well understood.