guarding against the importation of cases and the resurgence of domestic infections 外防輸入、內防反彈

guarding against the importation of cases and the resurgence of domestic infections
繁：外防輸入、內防反彈
简：外防输入、内防反弹

陳肇始表示，政府一直堅守「外防輸入、內防反彈」策略，全力做好「減少死亡、減少重症、減少感染」的工作。

總結工作｜陳肇始指食衞局堅守崗位 成功應對疫情（2022年6月30日）。 頭條日報，取自https://bit.ly/3yvAz0R

She said that the government has been adhering to guarding against the importation of cases and the resurgence of domestic infections and has done its best to reduce deaths, serious illnesses, and infections. 

Health authorities successfully fought the Covid pandemic, says Sophia Chan. (2022, June 30). The Standard. Retrieved from https://www.thestandard.com.hk/breaking-news/section/4/191789/Health-authorities-successfully-fought-the-Covid-pandemic,-says-Sophia-Chan