We'll update this soon with our take on this VERY common issue in international adoption, but for now, here are some good resources on the topic. A quick reminder: liquid iron supplements can cause temporary staining of the teeth - squirt towards the back of the mouth, and have the child drink some OJ afterwards (vitamin C boosts iron absorption).
Articles on adoption, foster care, & pediatrics
Quick bottom line - we're seeing fewer and fewer Hepatitis B "surprises" in our clinic, although they still rarely happen. The future for children with Hep B is felt to be bright, with promising ways to manage, if not cure, what is generally a chronic infection in children who acquire this at birth.
Our detailed thoughts coming soon ... in the meantime, some good links to get you started: