Name at least two micro organisms known to cause disease

Answer: Most microbes belong to four major groups: bacteria, viruses, protozoa or fungi. (To find out more, see the "Bacteria/Viruses/Protozoa" fact sheets). Disease-causing microbes can also be called pathogens, germs or bugs and are responsible for causing infectious diseases.

Explanation: google

Bacteria (bacterium) and viruses are know to cause disease.