As summer travel increases, a food safety expert, Fourová, is advising caution regarding food choices while on holiday. She specifically warns against mayonnaise-based dishes served at roadside establishments due to potential spoilage in hot weather. Concerns center around the quality and price of readily available food options at locations like gas stations and airports. Travelers, especially those with children, should carefully consider food safety when planning meals on the go. The expert suggests being mindful of temperature and potential contamination risks when purchasing food for travel. The advice aims to help holidaymakers avoid foodborne illnesses during periods of high heat.