(Yicai Global) June 4 -- Northeastern China's Mudanjiang, a city plagued by imported Covid-19 cases, has become the second Chinese city after Wuhan to test all of its residents for the coronavirus.

Since June 1, Heilongjiang province's Mudanjiang has started testing 800,000 of its residents for Covid-19 and so far has found two symptomatic cases, according to the local administration.

Editor: Emmi Laine