New coronavirus infections are more frequent than ever in some parts of the world as the highly transmissible Omicron variant continues its spread. While many cases are comparatively mild, Omicron can still cause nasty symptoms and severe disease. If you’re infected and in home quarantine, it’s easy to get worried and wonder: What does that cough mean? Am I starting to have difficulty breathing? And if you have symptoms such as a runny nose, sore throat or fever, you may be unsure whether you can rely on the same remedies you turn to when you’re laid up with the flu. Dr Martin Scherer, preside…