Chickenpox is an infection that causes an itchy, blistering rash and is very contagious, meaning it is spread easily from one person to another. It is caused by varicella-zoster virus (VZV), which enters the body through the mouth and nose after contact with an infected person.
A person with chickenpox can spread the disease to someone else from one day before the rash appears until all chickenpox blisters have crusted over. Once someone has had a chickenpox infection, he or she...
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Source: ADAM Encyclopedia
Symptoms of ChickenpoxThe time between exposure to the virus and eruption of symptoms is called the incubation period. For chickenpox, this period is... Read more »
Source: ADAM Encyclopedia
Chickenpox is one of the classic childhood diseases. A child or adult with chickenpox may develop hundreds of itchy, fluid-filled blisters that burst... Read more »
Source: ADAM Encyclopedia
Shingles and chickenpox are both caused by a single virus of the herpes family, known as varicella-zoster virus (VZV). The word herpes is derived... Read more »
Source: ADAM Encyclopedia
Both chickenpox (varicella) and shingles (zoster) can usually be diagnosed by symptoms alone. If a diagnosis is still unclear after a physical... Read more »
Source: ADAM Encyclopedia
Measles, Mumps, and RubellaMeasles. Measles, one of the most contagious of all human infections, used to be a very common childhood disease. Most... Read more »