We will be passing out for baking 40 potatoes to each person in our group preparing for a small town summer festival. All potatoes will be wrapped initially in foil to prevent contamination during this time of covid. I had suggested 375 degrees for between 90 and 120 minutes. Is there a better way? 

Handling potatoes or any fresh produce is safe with clean bare hands or (better) using food-safety approved gloves. While Covid dominates the news, the greater concern regarding food safety is on fundamentals such as: hand washing, proper storage and holding temperatures, etc. Here’s a link to an article written on the subject by a leading fresh produce publication on the topic:

https://www.thepacker.com/news/food-safety-news/retail/no-reason-avoid-fresh-produce-during-outbreak