Health QR code in China's Hangzhou lends steam to safe, orderl...
HANGZHOU, China, Mar. 2, 2020 /Xinhua-AsiaNet/-- Hangzhou launched a health QR code system on Feb. 9 as a regional "traffic permit" to ensure orderly population flow during an epidemic. The smart practice is gaining popularity across the country with over 200 cities promoting the health QR code ...
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