Harbin broke his mobile phone and didn't send and receive messages?

I mean, will Harbin Liudiao send a message if he doesn't answer the phone? I will.

Epidemiological investigation is the full name of epidemiological investigation, an important link in the prevention and control of infectious diseases, and a key measure for epidemic control. Flow pattern is to find out whether there is the possibility of spreading diseases or the risk of being infected with diseases in the past important period of time, such as the roads you walked, the people you met and those things that happened.

Mobile phone is an important means of epidemic prevention, which can find the relevant personnel in a short time, cut off the spread of virus as quickly as possible, and prevent the spread of virus, which is of great help to the prevention and control of epidemic situation. When you call or don't answer the phone, you will usually send a text message, so you should actively cooperate. When answering the phone, please patiently check the information with the traffic dispatcher and actively provide accurate key information.