Coronavirus has spread to more than 150 countries and claimed nearly 9,000 lives.
There are now more than 220,000 confirmed cases, the majority outside China where the virus originated.
Europe is now at the centre of the crisis with cases and deaths increasing rapidly in several countries.
This series of maps and charts will help you understand what is going on.
1. The virus outbreak is a global pandemic
The rise in the number of daily confirmed cases internationally has led the World Health Organization (WHO) to declare its spread a global pandemic.
This is when an infectious disease is passing easily from person to person in many parts of the world at the same time.