Tip - Biology, history surround ‘foot etiquette’ and hookworms

After reading letters  like Kriss Sands' on being barred from the Mountain State Fair for going barefoot ["Why I Won't Be Attending Mountain State Fair This year," Sept. 10, Xpress] and also seeing people disregarding the "No Shoes, No Service" public health codes in Asheville stores and restaurants, I feel people need a little biology and history lesson…