HSK 7-9
Dāngju duì suǒyǒu gǎnrǎnzhě shíshī le gélí cuòshī.
The authorities implemented quarantine measures for all infected persons.
HSK 7-9
Yīhù rényuán quánlì jiùzhì gǎnrǎnzhě.
Medical staff did everything possible to treat the infected.
HSK 7-9
Liúxíngbìngxuéjiā zhuīzōng měi yī wèi gǎnrǎnzhě de jiēchù shǐ.
Epidemiologists traced the contact history of every infected person.