by James Miller
In 2014, the world was gripped by news of two deadly epidemics.
Both were bloody, vicious afflictions that killed many who came in contact with them. Local populations were being devastated, but so, too, were foreigners who traveled to affected areas to help. Fears spread quickly that both would cross borders, infect cities, and threaten major events. There was panic on TV and in world capitals as politicians and pundits debated shutting borders or even denying travel to people from affected countries.
One, the Ebola virus, has been largely contained geographically and combated with proper equipment and training, and no longer captures headlines. It is a terrifying killer that has claimed around 15,000 lives since its detection in 1976. But it is arguably less devastating on a global scale than, say, HIV/AIDS, which has killed more than 3 million people since its identification in 1981, or malaria,...