Gastrointestinal tract infections areprominent in patients with AIDS.Infections may be caused by a varietyof bacterial, fungal, viral, protozoal,and helminthic pathogens, and affectpersons in both developing and indus-trialized countries. The problems areespecially acute in resource-limitedcountries where little or no access tohighly active antiretroviral therapyexists; the impact of illnesses associ-ated with HIV is most pronounced inthese countries
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