A 31 year old Chinese man, stung by multiple tentacle box jellyfish at Chawang beach on Samui island, Thailand. He lost consciousness and received vinegar and cardiopulmonary resuscitation at the hospital.Click to read the full case...
Source: http://journal.medizzy.com/stung-by-a-jellyfish/I got stung by a jellyfish in the Philippines, just like that guy, but it wasn't a box jellyfish. My marks looked almost identical. You've never seen someone run out of the water as fast as I did.