Why did the SMS remind me to carry out nucleic acid testing for people who entered Shaanxi across provinces?

Mainly consider the following reasons:

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2. China Mobile sends a text message to remind you to do nucleic acid testing, just to remind you to send a text message. It is sent to people in a specific area, not just to send you messages. As long as you do a nucleic acid test, you don't have to pay attention to text messages.

3. If it is the way of local epidemic monitoring, it may not be just that you receive such a short message, but a reminder short message sent by the relevant department. This requires nucleic acid.