The World Health Organization declared on Thursday that the coronavirus epidemic in China now constitutes a public health emergency of international concern. Tedros Adhanom Ghebreyesus, WHO director-general, announced the decision after a meeting of its Emergency Committee, an independent panel of experts, amid mounting evidence of the virus spreading to some 18 countries. Tedros told a news conference in Geneva that recent weeks have witnessed an unprecedented outbreak which has been met by an unprecedented response.
