This is the 15922nd most frequent Korean word.
부스터샷이
"Booster shot" (a follow-up vaccine dose to enhance or restore protection).
The term '부스터샷이' is used as the subject of the sentence, discussing the necessity of a booster shot.
부스터샷이 필요하다고 생각해요.
I think a booster shot is necessary.
The term '부스터샷이' is used as the subject within the context of the reported information about its protective capability.
부스터샷이 모두를 보호한다고 들었어요.
I heard that a booster shot protects everyone.
The term '부스터샷이' is used to inquire about the efficacy of booster shots within a question format.