Chickenpox is a highly contagious disease caused by the varicella-zoster virus (VZV). It can cause an itchy, blister-like rash. The rash appears first on the chest, back, and face, and then spreads over the entire body.
A fact sheet for parents that describes symptoms of infection as well as benefits and risks of vaccination.
Discover signs and symptoms, complications, transmission, prevention and treatment, and photos.
Find information about chickenpox vaccine, such as who should be vaccinated, vaccination options, and vaccine safety.
Learn more information about clinical features, complications, and assessing immunity to varicella.
See guidelines for collecting and shipping specimens to CDC lab and interpretation of laboratory tests.
Find information about chickenpox case and outbreak surveillance, investigation, and control.
Explore scientific articles, resources, and educational resources related to chickenpox.
Learn more educational materials, such as videos and infographics, about chickenpox.