The City Health Office released the timelines of 3 COVID-19 CASES: NEGOR-COV 743, NEGOR-COV 744 and NEGOR-COV 753 a based on the results of the contact tracing. 131120284_1452685828271030_8145104514662666620_o131356181_1452685688271044_2744324197373153725_o131707921_1452685944937685_1107938998919175742_o