Waitrose, Asda and Lidl come out worst in latest chicken contamination tests 24th March 2019 Local News Local News Waitrose, Lidl and Asda are the supermarkets with the highest levels of campylobacter in their chickens, according to the latest report from the Food Standards Agency. Share this:TwitterFacebookWhatsAppEmailPrintMoreLinkedInRedditTumblrPinterestPocketTelegramSkype