Microbiology True about varicella is following except: A One stage of rash is seen at one time B Humans are the only known reservoir C Children between 5 - 10 years old are most commonly affected D Patients are infectious - 48 hours before onset of the vesicular rash and until all vesicles are crusted 💡 Explanation True about varicella is following except: ✓ Correct Answer: A. One stage of rash is seen at one time