![](https://media.hanoitimes.vn/thumb_x345x231/2021/09/15/ha_ava.jpeg)
Hanoi installs QR-code scanning cameras at Covid-19 checkpoints
The QR-code scanning cameras system is expected to detect Covid-19 patients and people having direct contact with them, as well as those who have been fully vaccinated.
![](https://media.hanoitimes.vn/thumb_x138x93/2021/07/13/CHOT_KIEM_DICH.jpeg)
16:45, 2021/07/13
Hanoi sets up 22 checkpoints to curb Covid-19 spread
The checkpoints will control the flow of all vehicles, and people between Hanoi and other provinces and cities.