A new COVID-19 poster and video from federal safety authorities provide helpful tips for workers who wear masks.

Homestead Creamery Inc. recalled ½-pound unsalted butter that might be contaminated with listeria.

WinCo Foods grocery stores recalled frozen blackberries and frozen berry medleys because the products may be contaminated with norovirus.

E. coli tests of romaine fields where investigators traced contaminated lettuce did not turn up outbreak strains, so the FDA will move to an in-depth “root-cause” investigation for three outbreaks.

Limena LLC recalled 1-lb. blocks of Salvadorean semisoft string cheese (quesillo cheese) for possible listeria contamination

Public health officials are investigating a listeria outbreak linked to hard-boiled eggs used in salads at restaurants and grocery stores.

As the FDA awaits final results from extensive E. coli tests of romaine lettuce farms in one California growing region, it says outbreak illnesses are slowing, though two separate outbreaks have popped up.

Health officials warned people not to eat romaine lettuce from Salinas, Calif., because it is likely the source of an E. coli outbreak.