Difference between Staphylococci and Staph

What is the difference between Staphylococci and Staph?

Staphylococci as a noun is a spherical gram-positive parasitic bacterium of the genus staphylococcus, causing blisters, septicemia, and other infections while Staph as a noun is staphylococcus bacteria and its infection.

We hope you now know whether to use Staphylococci or Staph in your sentence.