3. The vaccination rate in China is now over 187%. 地推Most people in the country have received at least one dose of the vaccine. Even if some people accidentally come into contact with the virus, their own immune system can respond quickly and clear the virus.
4. The health code system and travel code system implemented in China. By calculating the travel trajectory through big data, people can clearly understand whether they have been to high-risk areas within 14 days. It can show whether you have been to high-risk areas, whether you have been in contact with confirmed patients and close contacts, etc., which is helpful for epidemic prevention and control. There is a certain difference between the health code and the itinerary card, which have different functions and cannot be used instead.
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