preventing communicable diseases
9. Until the early 1990s, school health programmes in Latin America and the Caribbean were characterized by efforts directed at improving conditions of hygiene and environmental sanitation, preventing communicable diseases, treating specific diseases and performing periodic medical examinations or screening tests.
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preventing communicable diseases
预防传染病
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Work should focus on preventing HIV and pregnancy during adolescence, and preventing the adoption of risk behaviours (e.g. tobacco and harmful use of alcohol) linked to non-communicable diseases.
工作应重点关注预防艾滋病毒和少女怀孕，以及预防与非传染性疾病相关的危险行为(如烟草和有害使用酒精等)。
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