blog posts How are outbreaks of foodborne illness found and fixed? Nov 11, 2024 10:45 am by Liz Ahlberg TouchstoneExpert Viewpoints Share on Facebook Tweet Email Images The outbreak of e-coli linked to onions on McDonald’s Quarter Pounder hamburgers is just the latest of many recent cases. Food Science professor Matt Stasiewicz talks about how outbreaks happen, how they are traced and stopped. Share on Facebook Tweet Email