It has a characteristic appearance . The lesions usually occur on the face in children and on the thighs and abdomen in adults. Causes It is caused by the DNA virus of the pox group. This virus may be transmitted sexually. The incubation period is 2 weeks to 6 months.
Bumps are firm, smooth, domed with a central pit, and pearly in appearance.
Bumps are usually 2mm to 4mm in diameter. Bumps may cause eye irritation if they are on the eyelids. Bumps are painless and also not itchy. However, most patients have no identifiable risk factors. It is spread by contact.