<prompt> Staph aureus causesErythrasmaChancroidAcne vulgarisBullous impetigo  <response>: Impetigo is divided into two types:-Non-bullous impetigo Impetigo contagiosum:- Caused by staphylococcus aureus and streptococcus pyogenes.Bullous impetigo:- Caused by staphylococcus aureus. 