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A digital QR code used to track and verify an individual's health status, often required for entry to public places during health crises like the COVID-19 pandemic.
机场要求所有旅客出示绿色健康码。
The airport requires all passengers to show a green health code.
The health code system was widely implemented in China during the COVID-19 pandemic to monitor and control the spread of the virus.
The health code is typically displayed on a smartphone and scanned at entry points to public places, workplaces, or transportation hubs.
Ensure the health code is up-to-date and accurate to avoid access restrictions.
Composed of '健康' (health) and '码' (code), reflecting its function as a digital health verification tool.
The health code system was a key measure in China's response to the COVID-19 pandemic, used to track individuals' health status and restrict movement based on risk levels.