検疫 けんえき感染 かんせん しょうじゃありませんでした
ken'ekikansen shōja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 検疫感染症

1. Was not a quarantine infectious disease.; Was not an infectious disease under quarantine.

Past/Perfective
Negative
Polite
Terminal Form