∞ generated and posted on 2016.02.16 ∞
Normally amoeba-associated (gamma)proteobacteria that can cause fatal respiratory tract infections (pneumonia) following inhalation of aerosolized bacteria.
In the following video there is a bit of asynchrony between the story and the visual but otherwise it serves as a nice summary with nice graphics:
The following video provides a medically oriented summary—not really animated graphics but it gets the job done:
The first 30 or so seconds shows time-lapsed growth of colony; also shows other aspects of microscopy of Legionella including fluorescence microscopy: