Definition: "Fabavirus" is a virus that causes a condition known as chickenpox, which typically affects children between the ages of three and twelve years old. It spreads through contact with infected skin or mucous membranes and can be transmitted to adults through close contact with infected individuals or through contaminated surfaces. The virus is characterized by a rash, which may include small blisters that are usually itchy and red. There are two main types of Fabavirus: the chickenpox virus (VZV