As Covid-19 cases in China sink to new lows, the world’s largest population of university students is heading back to campus in a migration defined by lockdowns, patriotic education and cutting-edge surveillance equipment.

Some universities have strict rules governing how students eat, bathe and travel. Students in Beijing, Nanjing and Shanghai told Reuters that they must submit detailed movement reports and stay on campus.

Government procurement documents show dozens of universities have purchased “epidemic control” surveillance systems based on facial recognition, contact tracing and temperature checks.

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