Why did Nanshan government send short messages on nucleic acid testing to Longgang residents?

According to relevant information, the reason why Nanshan government sent short messages on nucleic acid testing to Longgang residents was to remind Longgang residents that it was everyone's responsibility to prevent the spread of the epidemic. Nanshan government sent text messages to Longgang residents to remind them not to forget to do nucleic acid. It is the responsibility of every citizen to be an accountant for himself and the people around him. Therefore, by inquiring about relevant information, it shows that the reason why Nanshan government sent short messages for nucleic acid testing to Longgang residents is to remind Longgang residents to prevent the spread of the epidemic.