te or freeze leftovers within two hours, keep refrigerators at 40 degrees and freezers at 0 degrees, and never defrost food at room temperature.The DHHS says pork, lamb, veal, and whole cuts of beef should be cooked to 145 degrees, hamburgers and other ground beef should reach 160 degrees, poultry should reach 165 degrees, fish should reach 145 degrees, and fully cooked meats such as hot dogs shou