Dawn House  of the Salt Lake Tribune reported today that  more people being sickened by E. coli bacteria in recalled ground beef prompted renewed pleas for consumers to check their freezers for the tainted product.  Beef in the recall, which has been broadened from 75,000 pounds to 370,000 pounds, has sickened 14 people in states from Utah to California, federal and state officials say. Five have been hospitalized.  The ground beef recall, which was initiated Sunday but was increased fivefold Wednesday and included a variety of brands sold by several difference grocery chains.