Researchers at Johns Hopkins University in the United States are mapping the spread of the virus.
The majority of cases are in Hubei province, where the first outbreak was reported.
Millions of people in China now face travel restrictions.
There have also been confirmed cases in several other countries.
Joining us at the Al Jazeera English studio is Dr Patrick Tang, the division chief of pathology sciences at Sidra Medicine in Qatar.
Check our website: http://www.aljazeera.com/
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