Learn about chickenpox, signs, prevention, how the disease spreads, and common myths.
Impact of U.S. Chickenpox Vaccination Program
See the impact of the chickenpox vaccine and findings from the program's first 25 years.
Chickenpox Symptoms and Complications
Identify signs, symptoms, and potential complications from chickenpox.
Identify ways to help relieve chickenpox symptoms and when to contact a doctor.
For professionals
Clinical Overview of Chickenpox (Varicella)
Learn about chickenpox, prevention in healthcare settings, evidence of immunity, and the vaccine.
Laboratory Testing for Varicella-Zoster Virus (VZV)
Learn about lab testing for varicella-zoster virus (VZV), the cause of chickenpox and shingles.
Key Resources
Specimen Collection for Varicella-Zoster Virus (VZV) Testing
Learn about collecting and shipping specimens for VZV testing, and sources for suitable supplies.
Clinical Guidance for People at Risk for Severe Varicella
Learn about clinical guidance and treatment for patients at high risk of severe chickenpox.
Chickenpox Reporting and Surveillance
Learn about varicella case reporting and definitions, deaths, and other surveillance resources.
Varicella Outbreak Identification, Investigation, & Control
Learn how CDC works with state health departments to monitor varicella outbreaks.