Healthy Greetings! Universitas Islam Indonesia will be holding a Pfizer Booster Vaccination for the General Public. The criteria and requirements for vaccination are as follows: 1. Age 18 and over (preferably the elderly over 50 years) 2. Have been vaccinated with doses 1 and 2 of Sinovac or Astra Zeneca 3. Have registered at caresprotect.id and registervaccine.slemankab.go. id