Frequent Flyer Diseases

A century ago - before jet planes - it took new diseases months to travel around the world, and many pathogens probably never made it out of their isolated rural stomping grounds. But now no place is truly isolated, no matter how remote. 


We live in a world that's more connected than ever before, one where humans - and the viruses hitchhiking inside us - can circle the planet in a day. As a result, we're at greater risk from new infectious diseases than ever before. But there's an upside to our interconnectedness as well. 


Thanks to the Internet and cell phones, we can know what's happening in nearly every corner of the globe almost instantaneously - and that's a boon for epidemiology. 

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