Of course not. Only the green code is safe. Takeaway needs to contact many people. It is recommended to isolate at home and not go out until the asterisk disappears.
The yellow code of health code plays a warning role. From the safety point of view, it is best not to go to work, if there is no local requirement that yellow code personnel can't go to work, and the health code yellow code personnel have no symptoms of COVID-19 infection. In the case of personal protection, you can go to work, but there are also requirements for going to work. You can only go in and out at two o'clock and one line at work and residence. When traveling, they need to avoid taking public transport and enter public places where people gather. If the personnel with yellow code of health code have symptoms of COVID-19 infection, such as fever, sore throat, cough, runny nose, etc., they should not go to work, and need to stay in the fever clinic for observation or home health monitoring, and then go to work after the results of "three-day two-check" nucleic acid test are negative.