We’re taking a detour into biology for today’s graphic, looking at the colds that many of us are suffering from at this time of year. It’s doubly topical considering the coronavirus outbreak in China at the time of writing. This graphic highlights the viruses that cause colds and flu and their different characteristics.
It’s that time of year where a fair few of us (in the Northern Hemisphere, at least) are probably suffering from a cold of some description. The common symptom, that of a blocked nose, is probably one of the most irritating, but thankfully, nasal decongestants exist to provide relief. But how do they work?