impetigo

 
Pronunciation: /ˌɪmpɪˈtʌɪgəʊ/

noun

[mass noun]
  • a contagious bacterial skin infection forming pustules and yellow crusty sores: the children all have impetigo
    • This disease is caused by the bacteria Streptococcus pyogenes or S. aureus

Origin:

late Middle English: from Latin, from impetere 'to assail, attack'