No new positive COVID-19 samples found in Qingdao

Qingdao has collected 7,502,720 samples of COVID-19 nucleic acid test, 4,064,119 of which have shown negative, local authorities said on Wednesday.

No new positive samples have been found in addition to the 12 confirmed cases that have been disclosed.

A total of 532 close contacts were identified in the city as of 9:30 a.m. on Wednesday, all of whom have been quarantined under observation and undergone two rounds of nucleic acid tests, all of which have been negative, except for the nine who tested positive in the first round on Monday.