China daily has released this page with a lot of useful information about the vaccine in China.
https://enapp.chinadaily.com.cn/a/202101/08/AP5ff6ac4ca310f03332f92dc8.html
To cope with the heightened transmission risk that comes with mass migration, the NHC requires people to have a negative result for COVID-19 taken within seven days of returning to rural areas, as well as 14-day home quarantine upon arrival.
Chdcking the rules before travelling is a good idea, specially so in these virus stricken times where rules change on a daily basis, the trip.com website has a lot of good information and is frequently updated to reflect changes as they happen around the world.
Shanghai is increasing the number of days you need to quarantine if you come from a high risk area or country, you will now need to stay 14 days in a government assigned hotel and then an additional 14 days at home in quarantine, please bare this in mind if you are planning to travel to Shanghai.
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