The poor suffer more from hearing impairment because they cannot afford the preventive and routine care to avoid hearing loss nor the hearing AIDS to make the disability manageable.
At present, as a result of no effective prevention vaccine and the thorough cure medicine to AIDS, the health education has become the most effective preventive means.
目前，由于艾滋病尚无有效预防的疫苗和彻底治愈的药物，健康教育已成为最有效的预防手段。
3
The HIV/AIDS budget for preventive activities was increased almost 20-fold to US$ 44 million in 1993.