Should the world be worried about the coronavirus in China?

Experts fear latest strain of virus may spread across planet from person to person.It is a novel coronavirus – that is to say, a member of the coronavirus family that has never been encountered before. Like other coronaviruses, it has come from animals, or possibly seafood. Many of those infected either worked or frequently shopped in the Huanan seafood wholesale market in the centre of the Chinese city. New and troubling viruses usually originate in animal hosts. Ebola and flu are examples.

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