Staphylococcus: All About the Microbe

Staphylococcus is a genus of Gram-positive, spherical bacteria that are found in various climates and habitats, including human skin and noses. Staphylococci are generally harmless, but some can cause serious infections. Here are some facts about Staphylococcus:


  • Gram-positive bacteria
  • Spherical shape
  • Usually found on human skin and in noses
  • Survives on various climates and habitats
  • Includes pathogenic species which can cause serious infections

Types of Staphylococcus

There are over 30 known species when it comes to Staphylococcus bacteria. Some well-known species are:

  • Staphylococcus aureus
  • Staphylococcus epidermidis
  • Staphylococcus saprophyticus
  • Staphylococcus intermedius
  • Staphylococcus warneri

How Dangerous can Staphylococci be?

Since there are over 30 species of Staph, not all of them are considered to be dangerous. However, some species have been found to cause infections in humans. Staphylococcus aureus is the most common of the pathogenic species and can cause skin infections, respiratory issues, and rigorous infections in the blood and other organs.

It is important to practice good personal hygiene when it comes to preventing infections caused by Staphylococcus bacteria. Physicians also recommend the use of antibiotics for those infected with staph.