81866
A " survival suit " , or as it is more accurately and currently referred to as , an " immersion suit " , is a special type of waterproof dry suit that can protect the wearer from hypothermia if immersed in cold water , after abandoning a sinking or capsized vessel , especially in the open ocean .
 hypothermia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 hypothermia