China recognizes that a new pandemic wave may start: A new Omicron subvariant has been discovered.

A case of COVID-19 involving a new Omicron subvariant, BA.5.2.1, was discovered in the city of Shanghai, a Chinese official announced on Sunday, July 10, at a briefing that drew attention to the complications with which faces China to keep up with new changes in the context of the country's "zero-COVID" policy, writes Reuters.

The case, identified in the Pudong financial district on July 8, was associated with a person who arrived from abroad, said Zhao Dandan, deputy director of the city's health commission, writes TheHindu.

Shanghai, located in eastern China, ended a lockdown period of about two months in early June but continued to impose harsh restrictions, quarantining buildings and complexes immediately after the emergence of potential new transmission chains.

"Our city has recently continued to report several positive cases (of COVID-19) transmitted locally, and the risk of spreading the epidemic in society remains very high," warned Zhao Dandan.

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