Lanzhou needs to isolate itself for a few days after receiving a call from Liudiao.

At present, the longest self-isolation period is 2 1 day.

But it usually takes about 14 days. Generally speaking, nucleic acids should be isolated and tested every three days. Isolate it at home and don't run around.

In epidemic prevention and control, epidemic control is an important link. Lanzhou anti-fraud center issued a reminder to remind the public to receive a mobile phone call. If the other party asks for a bank card, password and SMS verification code, be sure to be vigilant and beware of being deceived.

The full name of epidemiological investigation is epidemiological investigation, which is a very important link in the prevention and treatment of infectious diseases. Stream mode is to find out where you passed, who you met and what happened in an important period of time in the past. Regular flow needs to know the name, ID number, contact information, home address, health status and other information of the respondent, but it will not require bank card number, password, SMS verification code, sending QR code and network link for you to scan or click, and will not require you to join QQ group or WeChat group, and will not require transfer and remittance.