Staphylococcus, from Ancient Greek σταφυλή (staphulḗ), meaning "bunch of grapes", and κόκκος (kókkos), meaning "kernel" or "Kermes", [1][2] is a genus of Gram-positive bacteria in the family …

Staphylococcal infections, commonly called staph infections, are caused by a genus of bacteria called Staphylococcus. There are more than 30 strains (types) of Staphylococcus bacteria.

Dec 16, 2025 · Staph infections can be deadly if the bacteria get into the bloodstream, joints, bones, lungs or heart. If the infection is in or near a medical device, such as a catheter, surgery may be …

Apr 15, 2024 · Overview Staphylococcus aureus (staph) is a bacterium commonly found on the skin and in the nose of about 30% of individuals. Most of the time staph does not cause any harm, but it can …

Aug 17, 2022 · Staphylococcus bacteria can invade the bloodstream or organs, resulting in serious illness. Many Staphylococcus bacterial infections can be treated and cured with traditional antibiotics.

The term staphylococcus, generally used for all the species, refers to the cells’ habit of aggregating in grapelike clusters. Staphylococci are microbiologically characterized as gram-positive (in young …

Nov 8, 2023 · Staph bacteria can cause many different types of infections, including: Skin infections, which are the most common types of staph infections. Bacteremia, an infection of the bloodstream. …

Feb 6, 2026 · Staphylococcus, or staph, is a type of bacteria that can cause infections if it enters your blood or tissues. Your risk is higher if you are in a hospital, have an underlying condition, or have...

Sep 4, 2025 · Staphylococcal species are bacteria characterized by their microscopic appearance of grape-like, spherical clusters of organisms.

Staphylococcus is a group of bacteria (microbe or germ) that can cause a number of infectious diseases in various tissues of the body. Staphylococcus is more familiarly known as staph (pronounced "staff").