Some facts about the Shiga toxin producing E. coli outbreak at Calgary daycares\n\nAlberta Health Services says 231 people, many of them children, have been infected with Shiga toxin-producing E. coli 0157 after an outbreak this m
Some facts about the Shiga toxin producing E. coli outbreak at Calgary daycares\n\nAlberta Health Services says 231 people, many of them children, have been infected with Shiga toxin-producing E. coli 0157 after an outbreak this m