The Governor of the Bank of Japan says it will not hesitate to draw up additional easing measures in response to the coronavirus pandemic.

Kuroda Haruhiko was speaking to reporters on Tuesday after a two-day policy meeting at which the BOJ decided to expand its corporate financing support program to over one trillion dollars.

Japan's government is considering expanding coverage of a state of emergency over the coronavirus outbreak to the entire country.

The government is set to ask its advisory panel of experts for opinions on Thursday before a formal decision is made by a coronavirus taskforce.