The common cold is an acute respiratory illness (ARI) and the most frequent illness people experience, with economic costs estimated at $40 billion per year (Ann Intern Med 2010;153:769-777). Hundreds of different types of viruses cause the common cold, and etiologic agents include rhinovirus,
Acute respiratory infection (ARI), including common cold and influenza, is a leading cause of morbidity and mortality, and has a major economic impact. Both mental and physical health are linked to ARI burden. For example, people who report more negative emotion and higher stress are more likely to