Pediatrics All of the following are true about Chickenpox except: A Incubation period can range from 10-21 days. B Subclinical varicella is rare C Simultaneous presence of lesions in various stages of evolution is characteristic D Umbilicated vesicles are the earliest lesions to appear 💡 Explanation All of the following are true about Chickenpox except: ✓ Correct Answer: D. Umbilicated vesicles are the earliest lesions to appear