Immune system interference from dioxin exposure has not been demonstrated in which of the following?

The assertion that immune system interference from dioxin exposure has not been demonstrated in mice is correct. Research into the immunotoxic effects of dioxins and similar compounds often uses various animal models, including rats and hamsters, where significant results have been documented showing immune system disruptions. In humans, evidence has been observed linking dioxin exposure to immune system impairment. However, studies focusing specifically on the impact of dioxins on the immune system in mice have not produced conclusive evidence pointing to such an interference.

This information highlights the nuances of how dioxins interact with biological systems and underscores the importance of using various animal models for toxicological research, as findings can vary significantly between species.