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Varicella-Zoster (Chickenpox)

Definition

Chickenpox is an infection, caused by the varicella-zoster virus, that results in an itchy rash characterized by small blisters, and flu-like symptoms. It is highly contagious to those who haven't been vaccinated or had the disease before. It used to be a common childhood illness, but since the introduction of routine vaccination, it is much less common.

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