These events are not new, however, and recent road development in the Atacama region of Chile serendipitously revealed a large and unique collection of marine vertebrate fossils that may shed some light on the phenomenon. (science.sciencemag.org)
According to scientists, retroviruses probably developed in marine vertebrates, not placental mammals. (seeker.com)
Marine vertebrates at every depth are being affected, as are humans. (science.sciencemag.org)