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11 August
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Asia

China to complete phase 2 clinical trials of COVID-19 vaccines beginning in July

Shulan outbreak puts 8000 in quarantine

Northeast China's Jilin Province Photo: CNS

/NOVOSTIVL/ The second phase of clinical trials for COVID-19 vaccines is expected to be completed successively beginning in July, and no major adverse reactions from the trials had been reported so far, a Chinese official said Friday.

The vaccines undergoing clinical trials include one adenovirus vector vaccine and four inactivated vaccines fast-tracked by China's National Medical Products Administration, Zeng Yixin, a senior official with the National Health Commission, said at a press conference.

A total of 2036 volunteer participants have been inoculated for the second phase of clinical trials and researchers are assessing whether or not the vaccines are safe and effective, according to Zeng.

Chuanying district in Northeast China's Jilin Province adjusted its epidemic-risk level from low to medium on Friday after a female coronavirus patient was diagnosed, who turned out to be the close contact of a confirmed patient from Shulan that is under the administrative jurisdiction of Jilin city, while cluster infections have placed over 8000 in quarantine.

Chuanying district became the third area in Jilin city to raise the alarm after the outbreak first occurred in Shulan. Twenty nine are confirmed patients, with 26 in Jilin city and three in Shenyang, Northeast China's Liaoning Province, media reported.

Authorities in Jilin have traced 686 close contacts to domestically-transmitted cases and sent them to designated places for medical observation. Liaoning also identified 1093 close contacts to three confirmed cases and 6434 people with high risks after authorities in Shenyang announced on Wednesday a 21-day quarantine in designated places, and three nucleic acid tests among those arrivals from Jilin city since April 22.

Jilin also banned on Friday all outbound buses and tour vehicles from leaving the city, according to the local authority. Local residents who intend to leave should provide a series of certificates, including a nucleic acid test report valid within 48 hours, and company and community certificates for quarantine as part of efforts in enhancing prevention and control work. Meanwhile, the city is also expanding the scope of nucleic acid testing after the National Health Commission supported building a P3 laboratory in Shulan. From Thursday to Friday, Jilin collected nucleic acid samples of 13166 people and finished 6195 tests, the local health authority said in a routine conference on Friday.


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