When you are sick, how do you know the difference between COVID-19, RSV, the flu and other respiratory viruses? Lisa Maragakis, senior director of infection prevention for the Johns Hopkins Health System, shares insight. #covid19 #rsv #johnshopkins #flu #infectionprevention https://www.hopkinsmedicine.org/news/newsroom/news-releases/2025/01/know-your-respiratory-virus-enemies-this-season