病原 びょうげん せい大腸 だいちょう きんではありません
byōgenseidaichōkindewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 病原性大腸菌

1. Is not pathogenic E. coli.; Is not a virulent strain of E. coli.

Negative
Polite
Formal Register