Authorities in China have warned that a new coronoavirus that has killed nine people could mutate further and cause more deaths.  The virus, known also as 2019-nCoV, is understood to be a new strain of coronavirus that has not previously been identified in humans.  Signs of infection include respiratory symptoms, fever, cough, shortness of breath and breathing difficulties. Cases have been reported in South Korea, the US and Thailand.  Is it time to stock up on those little surgical ma