Chickenpox on the 10th day of contagiousness will be relatively very low, because the chickenpox full course of 1-2 weeks, to the 10th day of the basic has been scabbed, scabbed chickenpox is generally not contagious. After the end of the incubation period of chickenpox, patients will enter the 1-2 weeks onset period, this period is also the chickenpox infectious period, children are more directly into the initial diagnosis stage, adult patients can appear low fever, malaise, loss of appetite, chills and other symptoms of general discomfort, lasting 1-2 days before the rash can appear. Chickenpox rash is often characterized by centripetal distribution, the trunk is more common, less limbs, can be seen at the same time in stages, batches of spots, papules and chickenpox rash and crusted rash. The disease is highly contagious, but the scabs are usually not contagious, and most patients can form antibodies in the body after recovery and are no longer infected with chickenpox.