Annals of internal medicine
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To investigate the importance of genetic effects for acquiring Helicobacter pylori infection. ⋯ This twin study showed that genetic effects influence the acquisition of H. pylori infection because of greater similarities within the monozygotic twin pairs. Further, sharing the same rearing environment also contributes to the familial tendency for acquiring H. pylori infection.
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Secondary infections remain the leading cause of death in patients with the acquired immunodeficiency syndrome (AIDS). Dealing with the rapidly evolving spectrum of infectious problems seen in patients with AIDS requires knowledge of current therapeutic and prophylactic strategies. Through an extensive preclinical trials network supported by both industry and government, an increasing number of new agents are being identified and rapidly moved into clinical trials. ⋯ Mycobacterial infections, particularly with Mycobacterium tuberculosis, have become an increasing problem for patients with AIDS, and both old and new combination drug regimens are being used. Cytomegalovirus disease, until recently an untreatable problem, can now at least be partially managed with antiviral agents. The use of more complete prophylactic regimens may decrease the morbidity and mortality from opportunistic infections.