It is A research and not AN research. Just so you know
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I've edited the sentences in a way that I would want to present them. I hope it helps!
1. one paraphrase (EDITED)
City and health departments are investigating all foods at restaurants by the HCPP plan to prevent (the) foodborne (disease from spreading), but this plan has not yet been tested (Lewis 9).
2. one quote
According to Sodhi’s study; “When both parents have allergies, there is a 67% chance that the children will also have them” (66).
3. one summary
It's better to try not to consume the foods and the drinks, which were polluted by the harmful substance, to protect us against foodborne.
Thank you! - NO PROBLEM!