Tesco, Sainsbury's, Lidl, Aldi, Morrisons, Asda: Supermarkets found to be most infectious places to go in Hertfordshire The Director of Public Health at Hertfordshire County Council urged residents and supermarkets to work together Updated Shoppers line up outside a supermarket (Image: Peter Summers/Getty Images) Sign up to our newsletter for daily updates and breaking newsInvalid EmailSomething went wrong, please try again later. Sign up here! When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice