Virus Crisis | National Geographic In the last three decades, more than 30 mysterious, and sometimes deadly diseases have emerged around the globe. Learn how globalization has helped spur the world’s virus crisis. October 27, 2017 Education, Environment, Health Share This Video Tweet Share Share Email National Geographic Related Videos Green Technology Documentary Environment, Technology Green Technology Documentary Spiritual Greens Education, Environment Spiritual Greens American Eagle – Nature Documentary (HD) Animal, Education American Eagle – Nature Documentary (HD)
