Via Starwars.com:

Got a bad cold and don’t know what caused it? Sore throat come out of nowhere? Here are seven interesting diseases from the Star Wars galaxy that just might explain…

The Star Wars galaxy is place of awe and wonder. From the lush and magical forests of Endor to the sweeping ice plains of Hoth, the beauty of a Bespin sunset to the glamor of a Coruscant skyline, the galaxy is packed with amazing sights, sounds, and species. But it’s also a dangerous place. Asteroid fields, rancors, the dark side, cyborgs, dianogas, giant green carnivorous rabbits…

That being said, not all dangers are immediately visible. Some of the most lethal adversaries a traveler trying to see the galaxy on just 30 dataries a day can encounter are microscopic, but no less deadly than a ravenous wampa or an angry acklay. In a galaxy holding 180 billion life sustaining planets and a galactic ecosystem growing more complex by the day, first contact situations occur constantly. And — unless there’s a unified galactic inoculation service that the Republic kept quiet all these centuries — it’s highly likely that disparate species would be innocently passing viruses and diseases on to each other all the time. In short, a sneeze could cause as much destruction as a Star Destroyer, so let’s take a look at just seven of the deadliest diseases the galaxy has to offer, from both Legends stories and within canon.

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