A discarded facemask sits on a street in Wuhan on Jan. 26, 2020, a city at the epicentre of a viral outbreak that has killed at least 56 people and infected nearly 2,000.

Photo by AFP

The newly identified coronavirus that emerged last month from Wuhan, China, sickening more than 1,900 people worldwide and killing at least 56, has sparked growing anxiety and questions: How lethal is the virus? How can it be avoided? Is travel, especially to China, suddenly risky?

Here is what we know so far.

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