Not true about varicella infection –
Correct Answer: Only single stage of lesion is present at a time
Description: The characteristic feature of chicken pox is "Pleomorphism", that is, all stages of the rash (papules, vesicles, and crusts) may be seen simultaneously at one time in the same area.
Chickenpox (varicella infection) is highly communicable by droplet infection with a secondary attack rate of approximately 90%.
Rashes of chicken pox are symmetrical and occur mostly on flexor surface.
Latent infection is established in the cranial nerve, sensory ganglia, and spinal dorsal root ganglia. The virus may reactivate in immuno-suppressive conditions, resulting in herpes zoster in about 10-30% of persons.
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