Question

1. all of the following populations are most vulnerable to food-borne illnesses except ______.

young children
older adults
pregnant women
young adults

1. following the consumption of a food or beverage contaminated with e. coli o157:h7 what is the approximate time of onset before

Explanation:

Young children, older adults, and pregnant women have weaker or altered immune systems (children's immune systems are still developing, older adults' immune systems decline with age, pregnant women have immune changes to support pregnancy), making them more vulnerable to food - borne illnesses. Young adults generally have a healthy, fully - functioning immune system, so they are less vulnerable compared to the other three groups.

Answer:

young adults