Chickenpox is the common name for Varicella zoster, classically one of the childhood infectious diseases caught by and survived by almost every child.Chickenpox is caused by the
varicella-zoster virus (VZV), also known as human herpes virus 3 (HHV-3), one of the eight
herpes viruses known to affect humans. It starts with
conjunctival and
catarrhal symptoms and then characteristic spots appearing in two or three waves, mainly on the body and head rather than the hands and becoming itchy raw
pox (pocks), small open sores which heal mostly without scarring.
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