New South Wales Public Health Bulletin 11(3) 40 - 40 Published: 2000
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Chickenpox is a viral illness caused by the herpes zoster virus (also known as the Varicella-Zoster virus). It is very contagious. It commonly occurs in children. Over 90 per cent of the population have had chickenpox by the age of 15 years.
Copyright Sax Institute 2014