🎶 When you feel like your nose needs to give an achoo 🎶 This adorable video from 2009 features everyone’s favorite friends, Elmo and Rosita from Sesame Street. Partnering with the Sesame Street Workshop and the Ad Council, CDC helped create a public service announcement teaching children about the importance of hand washing and cough etiquette. This video, along with many others, is featured in the David J. Sencer CDC Museum’s online exhibition, Influenza: Complex Virus/Complex History! Learn