According to the Atlanta Journal-Constitution, Georgia health officials discovered Listeria monocytogenes in a sample of Italian-made Ricotta Salata cheese.  Listeria causes an illness known as listeriosis, which can be particularly severe in pregnant women and elderly people.  The AJC reported:

The agriculture department said the contamination was found in a package imported under the brand name of Locatelli and marked to sell by Jan. 21. The cheese was imported by The Ambriola Company, Inc. of Jersey City, New Jersey.