期刊
ADVANCED DRUG DELIVERY REVIEWS
卷 102, 期 -, 页码 3-9出版社
ELSEVIER
DOI: 10.1016/j.addr.2016.01.021
关键词
Drug-resistant tuberculosis; Transmission; Epidemiology
The highly cost-effective DOTS strategy helped to bring the global tuberculosis (TB) epidemic under control in many parts of the world; however, the emergence and spread of drug-resistant strains pose a major threat to these gains. Molecular epidemiology studies, together with recent genomic evidence, provide proof that some drug-resistant strains are highly transmissible with documented epidemic spread. The potential for epidemic replacement of drug-susceptible with drug-resistant strains provides strong motivation for renewed emphasis on TB drug and vaccine development. It also reflects the need for enhanced infection control measures in health care and congregate settings, especially in TB endemic areas. The exploration of preventive therapy options for close contacts of patients with infectious drug-resistant TB also warrants further exploration, in an attempt to break the transmission cycle. Increased population mobility and large scale cross-border migration imply that the inexorable rise of drug-resistant TB is not geographically confined; it is a global concern that poses a very real threat to TB endemic and non-endemic settings. Failure to find new solutions will compromise traditional TB control efforts and derail momentum toward future TB elimination. (C) 2016 Elsevier B.V. All rights reserved.
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