Also known as varicella, chickenpox is caused by the varicella-zoster virus (VZV). It is most often recognized by a rash of itchy red blisters that appear on the face, neck, body, arms, and legs. Chickenpox symptoms in adults typically resemble those in children, but they can.
People who may get a serious case of chickenpox and may be at high risk for complications include: Infants; Adolescents; Adults; Pregnant women; People with.
People who are at higher risk of chickenpox complications include: mothers never had chickenpox or the vaccine; Adolescents and adults.