Question

the disease contracted from legionella pneumophila is:
choose an option below
legions of bacteria
pneumonia
upper respiratory infection
legionnaires disease

Explanation:

Legionella pneumophila is a bacterium that specifically causes a severe respiratory illness known as Legionnaires' disease. While it can lead to pneumonia-like symptoms, the specific disease name linked to this pathogen is Legionnaires' disease. The other options are incorrect: "legions of bacteria" refers to groups of the microbe, not a disease; general pneumonia can be caused by many pathogens; upper respiratory infection is not the specific disease from this bacterium.

Answer:

Legionnaires' disease