The most common signs of Covid-19 are a fever, dry cough and breathing difficulties.
For most people the symptoms will be mild but coronavirus can be serious for some, including the elderly or people with certain pre-existing conditions.
Some of the early symptoms can easily be confused with other winter bugs including colds and flu. But for now the UK government is advising anyone with a high temperature or a new, continuous cough to self-isolate at home for at least seven days just in case.