What do Korea, Slovenia, Finland, and the southwestern US all have in common? If you guessed Hantaviruses, you’d be quite correct. Today we bring you all the details on hantaviruses, from the deadly and terrifying hantavirus pulmonary syndrome, to the less lethal but still horrifying hemorrhagic fever with renal syndrome. From its long road to discovery, through the infamous 1993 outbreak and up to the present day, you’ll never look at an adorable little deer mouse the same way again.