Since even fresh chicken meat is often infected with campylobacter, and as a measure against Escherichia coli bacteria such as o157, chicken meat must undergo sufficient heat treatment in cooking.
なお新鮮なニワトリの肉でもカンピロバクターに感染しているものが多く、またO-157などの病原性大腸菌対策としても充分な加熱処理が必要である。