His comments come as countries around the world battle to prevent the virus spreading further.
For a second day, more cases have been reported outside than inside China.
Iran and Italy have become major centres of infection, with people travelling from there spreading the virus further afield.
Several high-profile Iranian officials have become infected, the latest being Vice-President for Women and Family Affairs Masoumeh Ebtekar.
New Zealand, the Netherlands, Belarus, Nigeria and Lithuania have confirmed their first virus cases
Markets around the world have taken a huge hit from the virus - the Australian Securities Exchange closed down 3.3%, and other Asian markets are down by a similar amount
British Airways has cancelled several trips to Italy, Singapore and South Korea
A cruise that was turned away from several places has now been allowed to dock in Mexico. A crew member onboard had tested positive for seasonal flu
A pet dog owned by a coronavirus patient in Hong Kong was found to have tested "weak positive" for the virus
A local sect leader in South Korea, linked to the outbreak there, is to be charged for failing to submit names of members to authorities
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