Is it an insect type bug or an illness bug?

Question: Is it an insect type bug or an illness bug?
- Keywords:
  bug,
  illness,
  insect
Asked by ScienceGuy to Theo on 13 Nov 2014.
- Theo Laftsoglou answered on 13 Nov 2014:
  
  Hey, it’s a bacterium, which is a single cell organism. So, don’t confuse it with insects that are made of many cells. Now, this bacterium doesn’t really cause any illness to humans so it is quite friendly.

Question: Is it an insect type bug or an illness bug?