Swedish researchers say they examined the sequenced genome of a female boxer dog and found that the dog genome contains a novel form of retrovirus material that is identical to endogenous retroviruses found in humans. The finding, which appears in PLoS ONE journal, suggests that the germs may have spread between humans and dogs through a thousand years of close contact or a so-called lateral transmission. The researchers hope to gain more insight on the matter and possibly develop retrovirus treatments.

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