Are you ill? If not, you probably know someone who is - or at the very least someone who has just recovered. Coughs and colds, it seems, are rampant at the moment. And, if the anecdotes of people I know are anything to go by, the bug going round seems to be a particularly nasty one. Sore throat? Tick. Streaming nose? Tick. Sinus pressure? Double tick. What's going on? "This is normal, it's autumn after all," says Prof Jonathan Ball, from Liverpool School of Tropical Medicine. He says a

Tag-uri: Coronavirus