China News Service Client, April 27 (Ren Siyu) Song Yueqian, deputy director of the Department of Health and Quarantine of the General Administration of Customs, introduced on the 27th that for domestic airline crews, due to the possibility of contact infection with passengers due to the presence of passengers on the passenger aircraft When crew members return to China for entry, they are required to perform nucleic acid sampling and testing as required. Crew members of foreign airlines who fly to China are found to be symptomatic, close contacts, or nucleic acid test positive by customs health quarantine inspection. If they apply for return to their home country for isolation treatment and they and their company make all commitments to bear all responsibilities, the local The joint defense and joint control mechanism agrees that the carrier may allow return after strict protection.