Các câu ví dụ cho từ tracing

1. Thanks to aggressive tracing and mass testing, Vietnam has successfully contained its second Covid-19 outbreak that hit the country last July after more than three months clear of community transmission.

2. Following contact tracing on an English teacher confirmed Monday as "patient 1347," four teachers working at the Vo Van Tan and Nguyen Hue primary schools in District 6 have been confirmed F1 (first generation infection) suspects.

3. Oanh's observation, contact tracing measures are still maintained by some service providers, restaurants, and offices, although not required.

4. Truong Thi Thu Huong, a statistics teacher in charge of the phone tracing group, said the students had only received short-term training but were doing their jobs very effectively.

5. " "If we only wait for people to show symptoms like fever, coughing or difficulty breathing, we will surely miss infections," he said, stressing that Covid-19 screening and contact tracing remain of vital importance in the fight against the pandemic.

6. Authorities ordered on Tuesday 2,000 hamsters from dozens of pet shops and storage facilities to be culled after tracing a coronavirus outbreak to a worker in the Little Boss petshop, where 11 hamsters subsequently tested positive for Covid-19.