A listeria outbreak linked to ready-to-eat sandwiches and snacks has sickened at least 10 people in the U.S., and a producer is voluntarily recalling dozens of products sold to retail stores, hospitals, hotels, airports and airlines, federal officials said.

The FDA and NIH announced a joint nutrition research venture to better understand the causes of diet-related chronic disease, with a goal of answering questions about ultraprocessed foods, food additives, and maternal and infant dietary exposures.