The route of contamination states that once food is eaten that a food handler touched with feces on their fingers, a foodborne illness may result.

The fecal oral route of contamination

Explanation:

For instance, if a food handlers doesn't wash and tidy his/her hands after using the convenience and get contaminants in food and substances from feces from their fingers, and these foods get ingested, it may cause a food borne illness leading to fecal oral contamination.

this one is confusing

explanation:

idk