ヒト免疫 めんえき不全 ふぜんウイルスでしょう
hitomen'ekifuzen'uirusudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of ヒト免疫不全ウイルス

1. Human immunodeficiency virus, likely.; HIV, probably.

Polite
Presumptive
Conjecture