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How to recognize chickenpox
Watch for symptoms on the skin.
Approximately one or two days after developing a runny nose and sneezing, you may see red spots on your skin. These dots often start on the chest, face, and back, are often itchy, and can quickly spread to the rest of the body.
These red spots will turn into red bumps and then small blisters (vesicles). These spots contain the virus and are highly contagious.