Lam Dinh Thang, Director of the Department of Information and Communications, said the green cards would help the city monitor people who would become eligible to travel and work based on COVID-19 preventive criteria.

When it is approved by the Government, it would be put into use in districts 7, Can Gio and Cu Chi, he added.

The green cards will be issued to people who are vaccinated after a minimum of two weeks from the time they get their second shots of Astrazeneca, Pfizer, Moderna, Sinopharm, or Sputnik V vaccines or one shot of Johnson & Johnson's Janssen vaccine or if they have fully recovered after contracting COVID.

The card will be valid for six months./.