A listeria outbreak linked with ready-to-eat meat and poultry products from Yu Shang Food Inc. has caused 11 illnesses in four states, with nine hospitalizations and the death of an infant, according to the US Centers for Disease Control and Prevention.

Soft cheeses, frozen breakfast foods, smoked salmon and other products have been recalled for potential listeria contaminations in the last month.

A listeria outbreak in some ready-to-eat meals is linked to several illnesses in California, and the death of an infant, according to the Centers for Disease Control and Prevention. In total, 11 people have been ill from the outbreak,