In Hebei Province, which borders Beijing, several cities have been shut down and a total of 23 million people have been quarantined.
See how data is collected in regular grocery stores in the clip above.
Chinese New Year around the corner - collects data to fight corona
2021-01-14T20:39:12.185Z
China reports the largest increase in new covid cases in over five months - and now it is raising awareness to stop the spread of the virus ahead of the upcoming Chinese New Year in February when the Chinese are normally on the move.
Source: svt