The new Omicron variant of coronavirus is spreading rapidly in the UK. So what are the symptoms people should act on? So far, the top five symptoms are: * runny nose * headache * fatigue (either mild or severe) * sneezing * sore throat If you think you may have Covid, it is important to get tested. The NHS says people should still look out for classic Covid symptoms: * a new, continuous cough * a fever/high temperature * loss of or change to smell or taste