Federal officials on Monday issued a recall for clams and raw oysters distributed in at least nine states due to   concerns that they may be   contaminated with norovirus, a contagious infection commonly known as the "stomach flu." According to a notice from the Food and Drug Administration (FDA), the recalled clams were harvested by the Lummi Indian Business Council and were distributed to restaurants and food retailers in Arizona, California, Florida, Georgia, Illinois, Nevada, New York,