*Secondary invasion by ''[[Staphylococcus aureus]]'' and [[:Category:Staphylococcus species|''Staphylococcus intermedius'']] are common and cause pustules in the hair follicles | *Secondary invasion by ''[[Staphylococcus aureus]]'' and [[:Category:Staphylococcus species|''Staphylococcus intermedius'']] are common and cause pustules in the hair follicles |