流行 りゅうこう せい かく結膜 けつまく えんでした
ryūkōseikakuketsumaku endeshita

Noun
Desu Copula

The polite past form of 流行性角結膜炎

1. It was epidemic keratoconjunctivitis.; It was an outbreak of pinkeye.

Past/Perfective
Polite
Medicine