What is coronavirus and how worried should we be?
(The Guardian China)

Experts fear latest strain of virus from Wuhan may spread across worldIt 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 - 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. Related: Coronavirus: health officials announce first known US case Continue reading...