How The Lungs Protect From Flu Make an Appointment Ask a Question Search Conditions National Jewish Health researcher, Dennis Voelker, PhD, explains how our molecules block viruses and prevent diseases like the flu. Related Videos Creating Plant-Based Compounds to Prevent Infections Finding a Way to Prevent Chronic Infection in Cystic Fibrosis What Are Oxidants? What is Clinical Research? FAQs Answered by National Jewish Health Transcript A surprising aspect of the molecules we study is that they also directly interact with viruses. And their interaction with viruses prevent these viruses from binding to the cells in the lung where the viruses need to enter in order to replicate and grow, and from the human perspective, cause disease. Want to use this on your website? Fill out the content usage request form and then copy this code: