[Epidemiological survey of HBsAg carriers in the Uighur and Han populations in the Khotan Area of Xinjiang autonomous region].

Objective: To survey nonsymptomatic HBsAg carriers in the Uighur and Han populations in Khotan Area of Xinjiang Autonomous region.

Method: HBsAg was detected using colloidal gold-labeled double antibody sandwich method.

Results: These investigations included 2 597 subjects consisting of 2 022 Uighur and 575 Han subjects.

[Comparative investigation of the Rh blood type distribution between the Uygur and Han nationalities in the Khotan area of Xinjiang Autonomous Region].

Objective: To investigate the Rh blood type distribution in the Uygur and Han nationalities in Khotan area of Xinjiang Autonomous Region, China, and compare the results with previous documentations on the Rh blood type in Uighurs.

Method: Using epidemiological methods, an extensive survey was conducted for determination of the Rh blood type in 2,907 residents in the target area, including 2,251 Uighurs and 656 subjects of Han nationality. Positive definition method was used for the ABO blood typing while Rh blood type was determined serologically through saline medium method.