Americans catch approximately 1 billion colds each year, and the Centers for Disease Control and Prevention estimates that as many as 20 percent of people in the U.S. will get…

Americans catch approximately 1 billion colds each year, and the Centers for Disease Control and Prevention estimates that as many as 20 percent of people in the U.S. will get…

Americans catch approximately 1 billion colds each year, and the Centers for Disease Control and Prevention estimates that as many as 20 percent of people in the U.S. will get…

Americans catch approximately 1 billion colds each year, and the Centers for Disease Control and Prevention estimates that as many as 20 percent of people in the U.S. will get…