Question

Chikuwa girl

Even in 2021, 100 years after the first and only tuberculosis vaccine was used, people still waited for a better treatment in Asian countries like Indonesia, and in African countries like Nigeria, while they all suffered from a continuing pandemic.
the first and only tuberculosis vaccine was uesdとpeople still waited
svが2つあるのに大丈夫のですか？？

Answer 1

✨ คำตอบที่ดีที่สุด ✨

ののののの

100 years after the first and only tuberculosis vaccine was used,
これは

after the first and only tuberculosis vaccine was used,
という接続詞を使った副詞節です。
「〜のあと」のafterの前に100years というのをつけて
「〜の100年後」と言っているだけです。