Infections caused by bacteria that show up as pink (negative) when treated by the gram-staining method.

Synonyms: Infections, Gram-Negative Bacterial, Bacterial Infections, Gram-Negative, Gram Negative Bacterial Infections, Gram-Negative Bacterial Infections, Gram-Negative Bacterial Infection, Infection, Gram-Negative Bacterial, Bacterial Infection, Gram-Negative