On September 18, the Central Epidemic Command Center (CECC) pointed out that the available brands of vaccine in the ninth round of bookings on the COVID-19 vaccination registration and appointment reservation system are the Pfizer-BioNTech (BNT) and Medigen vaccines and that scheduling appointments is open from 10 a.m. on September 20 to 12 p.m. on September 22, 2021. Additionally, a change was made to the schedule of Medigen vaccinations, which will now take place from September 27 to October 2. A round of BNT vaccinations will take place from September 25 to October 2 as originally planned.