Volunteer for NIAID-funded clinical studies related to the common cold on ClinicalTrials.gov.
Sneezing, runny nose, scratchy throat—everyone knows the first signs of a cold, probably the most common illness known. According to the Centers for Diseases Control and Prevention (CDC), 22 million school days are lost annually in the United States due to the common cold.
Last Updated August 17, 2011
Last Reviewed February 11, 2011