South China's metropolis of Shenzhen reported three new confirmed locally transmitted COVID-19 cases and one asymptomatic case on Wednesday, the municipal health commission has said.
The new cases were related to the four infections reported since Jan. 31, all of which were caused by the Omicron variant.
Further epidemiological investigations and source tracing related to the cases of the Omicron variant are being carried out, the commission said.
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