A multistate E. coli outbreak linked to raw milk cheese has sickened at least 13 people, sending eight of them to the hospital. Sierra Nevada Cheese Company is recalling several varieties of its Graziers grass-fed raw milk cheese, including medium cheddar, sharp cheddar, jalapeño jack and Monterey jack. Cases have been reported across nine states, while the FDA and CDC continue investigating the source of the contamination and whether additional products could be affected. Officials are urging consumers to check refrigerators and freezers because the cheese has a long shelf life and to throw away or return any recalled products. Read more on the affected products, states and what to look for in your fridge: