The ongoing outbreak includes illnesses dating back ... the worst listeria outbreak since one in 2011 linked to cantaloupe. Listeria monocytogenes can cause serious, and sometimes fatal ...

The CDC said Wednesday that it is the largest listeria outbreak since the 2011 outbreak linked to cantaloupe and warned more people are likely affected beyond the 57 confirmed cases.

The Centers for Disease Control and Prevention called this the "largest listeriosis outbreak" since 2011, when cantaloupe was the source. About 260 people die from listeria in the U.S. each year.

Health officials are investigating a fatal Listeria outbreak in the UK. One person has died and a number of people have become unwell, the UK Health Security Agency (UKHSA) has said. Article ...