Tracking koala disease: New findings from old DNA

(Phys.org)—DNA extracted from the skins of koalas displayed in European and North American museums shows that a retrovirus has been a problem for the animals for much longer than was thought, according to Alfred Roca, an assistant professor of animal sciences at the University of Illinois, and Alex Greenwood of the Leibniz Institute for Zoo and Wildlife Research (LZW) in Berlin.

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