Right now, there's just one virus on everyone's minds: SARS-CoV-2, the virus that causes COVID-19. But humanity is plagued by many respiratory viruses, such as influenza A (IAV) and respiratory syncytial viruses (RSV), which cause hundreds of thousands of deaths every year . Most of these viruses – apart from influenza and SARS-CoV-2 – have no vaccines or effective treatments. A recent study from the University of Glasgow has discovered what happens when you get infected with some of these viruses at the same time, and it has implications for how they make us sick and how we protect ourselves from them. For many reasons, respiratory viruses are often found during winter in the temperate regions of the world, or the rainy season of equatorial regions. During these periods, you'll probably b
