respiratory viruses

Upper respiratory infections have a seasonality; winter is their thing. The role of the changing temperature and humidity, in some entangled manner, contributes to the winter increases. But what is the role of one of our first barriers to those invading microbes, the nose?
You can’t miss the headlines. As we enter the fall, we now face the combined forces of influenza, COVID, and RSV – respiratory syncytial virus. Are the continued drumbeats of fear necessary?