Virological and clinical characteristics of hepatitis delta virus in South Asia.

Virol J · 2011 · PMC3138432 · PMID 21689416

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a decreasing trendno p-value reported

While the prevalence of HDV is showing a decreasing trend globally, it is important to realize that globalization and increasing migratory fluxes are major challenges and HDV will not be controlled adequately unless HBV is brought under control in areas with high prevalence.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.