烟台追踪到无症状感染者的密切接触者达两万余人？谣言
烟台追踪到无症状感染者的密切接触者达两万余人？谣言
claims yantai traced more than 20,000 close contacts of asymptomatic infections
claims yantai traced more than 20,000 close contacts of asymptomatic infections
claims more close contact cases were trace than noticed
general public
coronavirus, yantai, traced, close contacts, asymptomatic infections