JINAN, Feb. 21 (Xinhua) -- A total of 207 infection cases of novel coronavirus, or COVID-19, have been confirmed in an east China prison, according to a press conference held by the Shandong provincial government Friday morning.

The local authorities have completed nucleic acid tests of all relevant personnel in Rencheng Prison in the city of Jining, reporting 207 confirmed cases. At present, effective isolation and treatment measures have been taken for all confirmed patients.

On Feb. 12, a prison officer was isolated in hospital after showing cough symptoms. He was diagnosed of novel coronavirus pneumonia after nucleic acid testing the next day.

The provincial government immediately took a closed management of the prison, and started the health screening and isolation work.  ■