infections
Chickenpox
Prognosis for Chickenpox
Healthy children nearly always recover from chickenpox without problems. Before routine immunization, about 4 million people developed chickenpox annually in the United States, and about 100 to 150 of them died each year because of complications of chickenpox. In adults, chickenpox is more severe, and the risk of dying is higher. Chickenpox is particularly severe in people with a Overview of Immunodeficiency Disorders . When people who have been Varicella Vaccine develop chickenpox, the disease is less severe, and fewer of these people die. 