<prompt> Which of the following organism is responsible for vesicular eruptions and honey-coloured crusts over face: March 2011TB bacilliStaphylococcus aureusHansens bacilliHerpes zoster  <response>: Ans. B: Staphylococcus Aureus Impetigo contagiosa is caused commonly by staph. aureus in developed countries Morphologically, thin walled bulla seldom seen on an erythematous base are seen which ruptures to form an exudative plaque covered with honey-colored crusts Dermatological diseases caused by staphylococcus aureus: SSS staphylococcal scalded skin syndrome Bullous impetigo Impetigo contagiosa Furuncles boils Sycoris barbae and sycoris nuchae 