びいぐん溶血ようけつせいレンサ球菌きゅうきんでした
bii gun yōketsu sei rensakyūkindeshita

Noun
Desu Copula

The polite past form of B群溶血性レンサ球菌

1. It was Group B streptococcus.

Past/Perfective
Polite
Medicine