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  1. Chickenpox (Varicella) | Chickenpox (Varicella) | CDC

    Chickenpox is a highly contagious disease caused by the varicella-zoster virus (VZV). Protect your child from severe symptoms with the chickenpox vaccine. Identify common symptoms, causes and …

  2. Chickenpox - Symptoms and causes - Mayo Clinic

    Apr 19, 2023 · Chickenpox spreads very easily to people who haven't had the disease or haven't gotten the chickenpox vaccine. Chickenpox used to be a widespread problem, but today the vaccine …

  3. Chickenpox: Symptom Stages, Vaccine, How It’s Spread

    Sep 5, 2025 · Chickenpox is a highly contagious disease that causes an itchy rash and blisters in addition to possible flu-like symptoms. The chickenpox virus spreads from person to person through …

  4. Chickenpox - Wikipedia

    Chickenpox is an airborne disease which easily spreads via human-to-human transmission, typically through the coughs and sneezes of an infected person. [5] The incubation period is 10–21 days, after …

  5. Chickenpox: Causes, Symptoms, Treatment & Prevention

    What is chickenpox? Chickenpox is an infection that causes an itchy, blister-like skin rash. A virus called varicella-zoster causes it. Chickenpox is highly contagious. But it’s much less common today …

  6. Chickenpox | Varicella | MedlinePlus

    Dec 18, 2025 · Chickenpox is a contagious disease caused by the varicella-zoster virus. It causes an itchy rash with blisters. Learn about vaccines and treatment.

  7. Chickenpox - World Health Organization (WHO)

    Feb 4, 2025 · Chickenpox, also called varicella, is a highly contagious disease caused by the varicella-zoster virus (VZV). This virus is a member of the herpesvirus family, and humans are the only known …

  8. Chickenpox: Symptoms and Treatment - Health

    Oct 3, 2025 · Chickenpox (varicella-zoster) is a highly contagious virus that causes flu-like symptoms and an itchy rash that turns into blisters that eventually crust over. You can catch chickenpox through...

  9. What is chickenpox? Symptoms, causes and prevention - CVS

    Jun 25, 2025 · The varicella-zoster virus causes chickenpox, and while cases of chickenpox are down 95 percent since the vaccine came out, infections can still occur. This article will discuss what is …

  10. Chickenpox - Johns Hopkins Medicine

    Chickenpox is a common childhood disease. It causes an itchy, blistering rash and is easily spread to others. Until the varicella vaccine was licensed in 1995, chickenpox infection was very common. …