(Yicai Global) Nov. 23 -- Shanghai reported two new confirmed locally-transmitted Covid-19 cases yesterday, local authorities announced, Xinhua News Agency reported.

Both cases are close contacts of previously confirmed patients, according to the eastern Chinese city’s health commission.

One of the victims, a 46-year-old man surnamed Cao, is the colleague of a formerly confirmed sufferer surnamed Wu, who works at the cargo terminal at Shanghai Pudong International Airport.

The other confirmed case, a 30-year-old woman surnamed Zhang, is the wife of an earlier verified coronavirus infection in a person surnamed Wang.

All of the places that the two visited during the past 14 days have been disinfected.

Authorities have tracked 52 close contacts, placing them in quarantine and conducting nucleic acid tests. Experts have launched an epidemiological investigation. Officials have classified the community where the new victims live as a medium-risk area.

Editor: Ben Armour