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These doors alert authorities when opened to track potential coronavirus carriers

Chinese courts have also used electronic door seals to enforce decisions

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A community worker in Ningbo interviewed by Pear Video said the sensors were deployed because they don’t have enough staff to manually check on the more than 100 quarantined residents. (Picture: Pear Video)
Xinmei Shen
This article originally appeared on ABACUS
Neighborhoods in Chinese cities Ningbo, Zhengzhou and Tianjin are using “electronic door seals” that alert the police if people under quarantine leave their homes, according to local media reports.
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