集団 しゅうだん免疫 めんえきじゃありませんでした
shūdammen'ekijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 集団免疫

1. Was not herd immunity.; Wasn't herd immunity.

Past/Perfective
Negative
Polite
Terminal Form
Medicine