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szdaily -> News -> 
SZ reports no new COVID cases; Omicron infection source being traced
    2022-01-18  08:53    Shenzhen Daily

Xia Yuanjie


szrbgracexia@126.com


SHENZHEN reported no new COVID-19 cases as of 5 p.m. yesterday, and epidemiological investigations and source tracing of the city’s first Omicron case are being carried out, the health authority said at a press conference yesterday.


Gene sequencing found that the city’s first and single Omicron case, which was reported Sunday, was not linked to the same transmission chains as the Omicron variant that recently emerged in Tianjin, Shanghai, Zhuhai and Beijing, or as the same transmission chain of imported COVID-19 cases reported earlier in the city, according to Lin Hancheng, a senior official of the municipal health commission.


Lin said that the variant which infected a 21-year-old woman showed high similarity to the Omicron variants isolated in Central and North America.


The patient who works and lives in Longgang District is mainly engaged in receiving and delivering overseas frozen chemical reagents. She touched and unpacked an item of mail from North America without taking preventive measures Wednesday, and then suffered from a sore throat Friday. She tested positive in a primary nucleic acid test Saturday. The possibility of the woman being infected after being exposed to contaminated international parcels cannot be ruled out, Lin said.


As of 5 p.m. yesterday, 284 close contacts and 278 secondary close contacts of her had been put under health monitoring. Key areas where she had dined and stayed, as well as public transport she had taken, have been sampled for environmental nucleic acid testing and disinfected, according to Lin.

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