*Chronic hepatitis B patients without liver cirrhosis and liver cancer during enrollment. **Healthy volunteers from Osaka Midosuji Rotary Club, Osaka, Japan.
The residents of Baisha, a county of Hainan Island, mainly composed of Li ethnic population and relatively closed living environment with its unique geographical location. Our previous study showed th
Participant identifier (PID) if previously enrolled in Perinatal protocol (Confirmation of Maternal Eligibility CRF) Study Description Describes the characteristics of HIV-infected pregnant women and