About a week: Chickenpox tends to emerge in waves of new spots over a period of 2-5 days.The blister grows, pops ; crusts usually within a single day. A person is considered contagious for 1-2 days before to 6 days after the emergence of the rash.
Answered 9/13/2019
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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