A 7 year old boy is brought by his mother. There are multiple perioral and forehead vesicles. Some vesicles are crusted and some are not. The face is hot. What is the most likely diagnosis?

The key is D. Impetigo. [Distribution of varicella zoster (chickenpox) is centripetal that is mainly on trunk. Impetigo is mosty occurs centrifugally that is more on face and limbs. Impetigo also has characteristic of yellow or honey coloured scrub. Herpes zoster usually occurs in elderly and unlikely to occur in children].