Who does Shanghai Prevention and Control Office send text messages to?

It may be a secret or sub-secret contact, or people who have been to areas with severe epidemics will receive text messages.

Shanghai Prevention and Control Office has two kinds of short messages. One is the response of "Shanghai Release" to the message that the public received 10086: According to the report of the Municipal Prevention and Control Office, starting from March 16, Shanghai organized nucleic acid screening in key areas and non-key areas throughout the city. At present, a small number of residents have not participated in the screening. For these residents, the CDC will arrange community testing services in due course. Please pay attention to the community notice and actively cooperate. There is also the risk of direct or indirect contact with infected people. This is a short message from Shanghai Prevention and Control Office for big data investigation. In this regard, "Shanghai Release" said: In the face of epidemic prevention and control, please don't take it lightly, don't panic when you receive text messages, and actively cooperate with epidemic prevention measures such as nucleic acid testing.