High prevalence of HIV, syphilis and HCV, and low methadone maintenance treatment in a migrant population in Beijing.

Objectives: To provide evidence for policy makers for human immunodeficiency virus (HIV) prevention and control, we investigated HIV, syphilis, and hepatitis C virus (HCV) infection and the availability of methadone maintenance treatment (MMT) among migrant drug users in Beijing.

Methods: A total of 222 participants from 3 main communities where drug abusers reside were interviewed, completed a questionnaire, and were screened for HIV using enzyme-linked immunosorbent assay, confirmed by Western blot. Descriptive statistics, χ tests, and binary logistic regression models were used to analyze differences in HIV and sexually transmitted diseases among different subpopulations.

[Effect of environmental supplementation of iodine on infant mortality and growth in children in Xinjiang, China].

Objective: To study the effect of iodine supplementation on infant mortality and growth in Xinjiang.

Methods: Urine iodine, height and head circumference (HC) of children aged 5 years in two townships was measured before and yearly after iodine supplementation of irrigation water. Height and HC were expressed as Z scores (United States children used as the reference group).

Effects of iodine supplementation during pregnancy on child growth and development at school age.

Growth and development of 207 children (49% males; mean age 5.4 years [SD 0.2], range 4 to 7.