Recalling the national fight against the novel coronavirus disease(COVID-19)epidemic,Zhong Nanshan,China’s top respiratory disease specialist couldn''t help getting choked up.The 84-year-old recounted that one day one of his students working at Tongji Hospital in Wuhan,then the hardest-hit area in the country,sent him a message saying that residents in his neighborhood were singing the national anthem to cheer each other up amid the raging epidemic.
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