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Rats in Science-how the pest who endangers us can also save our lives

We write plenty about how rats can spread disease—but the rats used in laboratories ((Rattus norvegicus domestica), bred into a subspecies of the common brown Norway rat (Rattus norvegicus), are so like human beings, they are used in medical laboratories to develop new medicines for us and potentially save our lives.  The lab rat, which as we explained is domesticated, can spread disease if it encounters…

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