Staphylococcus aureus Gram.jpg Cocci (singular - coccus, from the latin word "kokkus" meaning "a berry") are any spherical or near spherical bacteria. Streptococcus does not come from berries, but is so called because of its shape. When coccus-bacteria are formed in pairs they are known as diplococcus, in beadlike chains as streptococcus, in grapelike clusters as staphylococcus, and in groups of four or eight known as tetrads or sarcina.

Some diseases that can be caused by coccus-type bacteria are staphylococci infections, food poisoning, urinary tract infection, toxic shock syndrome, meningitis, gonorrhea, throat infection, pneumonia, sinusitis

Bacteria

Kokken | Cocci | Kokken | 球菌 | Coco (bactéria)