noun
O-157 (E. coli strain)
Refers specifically to the enterohemorrhagic E. coli O157:H7 strain, known for causing foodborne illness.
Ｏ１５７による集団食中毒が発生した。
An outbreak of food poisoning caused by O-157 occurred.
生肉を扱った後は、Ｏ１５７対策として手をよく洗ってください。
After handling raw meat, please wash your hands thoroughly as a precaution against O-157.