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Human-to-human transmission confirmed in China coronavirus
By Ken Moritsugu & Yanan Wang
CDC to screen at three US airports for signs of new virus from China
By Elizabeth Cohen
Coronavirus: more cases and second death reported in China
By Kate Hodal, Calla Wahlquist & Sarah Boseley
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New virus in China 'will have infected hundreds'
By James Gallagher
China confirms new coronavirus can spread between humans
By Yong Xiong & Eliza Mackintosh