On May 24, 2022, the General Administration of Customs took emergency preventive measures against 9 Vietnamese companies, due to the positive nucleic acid test of SARS-Cov-2 in some samples of frozen saefood imported from Vietnam. The national customs suspended the acceptance of Vietnam aquatic product companies with registered number DL 709, DL 457, DL 371, DL 775, DL 676 import declaration for 1 week until June 2, suspended the acceptance of Vietnam aquatic product company with registered number DL 791, DL 68, DL 367, DL 07 import declaration for 4 weeks until June 23. Product declaration will resume automatically after expiration.

因从进口自越南7批次冻巴沙鱼的7个外包装样本，2批次冻剥皮鱼的4个外包装样本，2批次冻南美白虾虾仁的3个外包装样本中检出新冠病毒核酸阳性。按照海关总署公告2020年第103号的规定，全国海关自即日起暂停接受越南5家水产品生产企业（注册编号分别DL 709、DL 457、DL 371、DL 775、DL 676）的产品进口申报1周，至2022年6月2日；暂停接受越南4家水产品生产企业（注册编号为DL 791、DL 68、DL 367、DL 07）的产品进口申报4周，至2022年6月23日。