This Week in PLOS

In PLOS Medicine, researchers from the UK, South Africa, Australia, and elsewhere report on blood gene expression profiles for detecting active tuberculosis infections, even in individuals infected with HIV.

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This Week in PLOS

This Week in PLOS

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This Week in PLOS

This Week in PLOS

This Week in PLOS

In Nature this week: omic analysis of permafrost microbes, hookworm genome, and more.

Biologists turn to environmental DNA sampling to determine whether elusive or invasive species are shedding DNA in a given area.

Rob Knight writes at Scientific American that microbiome studies are about to break out of the laboratory.

Harold Varmus, the director of the National Cancer Institute, has announced that he is stepping down after nearly five years.