It's Gameday. You have everything ready for your tailgate. Crackers, cheese, beer, pickles, meat for the barbeque, baked beans, stuffed squash, broccoli cheddar balls, potato chip cups, dip, wings, and good old potato salad. Potato salad -- that delicious mixture of eggs, potatoes, pickles, and mayonnaise all served up to make the day. Of course, you have to be careful that the potato salad doesn't become a foodborne illness villain. Potato Salad and Foodborne Illness One of the first assignments in my graduate school epidemiology course was identifying the culprit of a foodborne illness outbreak from a picnic. The ultimate perpetrator....potato salad. Mayonnaise is often blamed for causing outbreaks, but that is not the case. Potato salad is a combination of many different ingredients (see my recipe below), and those ingredients put together create an environment for bacteria to grow. Many of the ingredients in potato salad have low pH. The pH registers the acidity level of di
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