Listen | Why is it necessary to receive the COVID-19 booster vaccine?

Every time COVID-19 mutates, its ability to evade the existing vaccines increases, to the extent that now new subvariants like BA5 are infecting vaccinated individuals. Nevertheless, some believe that vaccines should still be administered. Dr. Alireza Naji, head of the Virology Center at Shahid Beheshti University, discusses the necessity of receiving the COVID-19 booster vaccine in an interview with Khabar Online; listen to his explanations.