How many days does it take for spots to appear when a child has been infected with chicken pox?

Chickenpox: It usually takes 14 to 16 days to get the symptoms of chickenpox after you have been around someone with the virus. Then red spot appear, it usually takes about 1 or 2 days for the spots to go through all its stages. This includes blistering, bursting, drying, and crusting over. New red spots will appear every day for up to 5 to 7 days. After 10 days, your child can go back to school.

7-14 days: From time of exposure it is 7-14 days to develop the infection.

Varies: From exposure to spots is variable from 10-21 days, average 14.Exposure can occur up to 24 hrs before someone breaks out & as little as 30 min in the same room as an infected person is adequate to transfer the germ. Since most kids are now immunized as infants, most are immune.