遅発 ちはつ せいウイルスじゃありませんでした
chihatsu sei uirusujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 遅発性ウイルス

1. Was not a delayed-onset virus.; Was not a late-appearing virus.

Past/Perfective
Negative
Polite
Terminal Form