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In Spain and Portugal, by 2005 rabbits had declined by as much as 95% over 50 years due to diseases such as myxomatosis, rabbit haemorrhagic disease and other causes. This in turn caused declines in ____________ like the Iberian lynx, a critically endangered species.

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Assessing the _________ of gene therapies and improving upon genome editing technologies are critical steps to ensure that this technology is ready for use in patients.

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