Tianjin reported 3 locally confirmed case and 30 asymptomatic cases on Oct 30th, according to the municipal COVID-19 prevention and control headquarters.
Case 1-6 are close contacts of confirmed patients who lives in Balitai Town, Jinnan District, 2 of them are mild cases, the rest are asymptomatic cases.
Case 7-12 are close contacts of confirmed patients who lives in Baodi District, one of them is a mild case, the other is a asymptomatic case.
Case 13-18 are close contacts of confirmed patients who lives in Binhai New Area, all of them are asymptomatic cases.
Case 19-20 are close contacts of confirmed patients who lives in Jizhou District, all of them are asymptomatic cases.
Case 21 is a close contacts of confirmed patients who lives in Jizhou District, asymptomatic case.
Case 22 is a close contacts of confirmed patients who lives in Wuqing District, asymptomatic case.
Case 23-26 are close contacts of confirmed patients who working at a construction site of Hongqiao District, all of them are asymptomatic cases.
Case 27 is a driver from other province, asymptomatic case.
Case 28-29 are drivers from other province, asymptomatic cases.
Case 30-32 are found by regularly screened, asymptomatic cases.
Case 33 lives in Xinkou Town, Xiqing District, asymptomatic case.