How often does Guan Yang send short messages?

Send text messages within 24 hours. If the result of nucleic acid test is positive for mixed tube, there is no need to rush to be positive. The nucleic acid testing institution is responsible for sending a short message notice, and the personnel who participate in mixed tube positive will complete the single-tube test at the nucleic acid testing point within 24 hours according to the notice. You don't have to report to the community anymore, and your life will return to normal if you are negative for nucleic acid.