化膿 かのうレンサ球菌 きゅうきんであれば
kanōrensakyūkindeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 化膿レンサ球菌

1. if it is *Streptococcus pyogenes*; if *Streptococcus pyogenes* is present

Ba Conditional