US Centers for Disease Control and Prevention
1600 Clifton Road
Atlanta, GA 30329
The Centers for Disease Control and Prevention (CDC) is a federal agency with a goal of protecting the health and safety of people in the United States. In their "CDC A-Z Index" you'll find a fact sheet on chickenpox covering everything from treatment to vaccination.
Family Doctor—American Academy of Family Physicians
11400 Tomahawk Creek Parkway
Leawood, KS 66211-2680
This site covers all you need to know to keep your family healthy. You can read up on the treatment of chickenpox as well as special concerns for pregnant women.