The 1922 Vaccination Appointment System has opened for its 24th round of reservation for booster shots from 10:00 of Feb. 23 to 12:00 of Feb. 25. There’s different reservation period for various age groups. Please follow the instructions to register. The vaccination will be given between Feb. 28 and Mar. 6. City government urges citizens aged over 18 who have completed two doses of vaccines to make an appointment during the above-mentioned time.