Coronavirus: Chinese expert calls for more investigation into ‘environmental spread’ of Covid-19

China’s top Covid-19 expert has called for more study of the so-called environmental spread of the disease, as infections continue to be reported in the country.Zhong Nanshan, a specialist in respiratory diseases, said at a health conference on Saturday that imported cases and the spread of Covid-19 through the environment were the two major challenges facing China as it sought to contain the problem.He was referring to the risk of people becoming infected by touching contaminated surfaces,…

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