Plague Doctor –Beings
that were thought to cause disease.
Kanshaku- A fish like
being found in the liver, aggravates its host by violently thrusting itself
upward towards the chest cavity. It was thought that acupuncture could stop it.
(Japanese mythology) other mythological Japanese beings that were said to cause
disease can be found here http://pinktentacle.com/2008/03/mythical-16th-century-disease-critters/
Strigoii – The troubled souls of the dead, they were known
to spread disease from house to house. (Romanian folklore)
Kala – Spirits of disease. They can appear as humans with
pointed dog heads, or dogs with human heads. They have a deep hatred for humans
and inflict disease upon them, they are said to live out in the desolate
tundra. (Kroyak mythology)
Adze – Vampire like beings that would suck your blood and
then cause you to fall sick and die. (Ewe Folklore)
Elves- In some tales elves had the ability to cause disease.
Asag – Evil spirit that would cause humans disease
(Sumerian/Babylonian mythology)
!XU – The benevolent god of the San people of South
Africa. He is invoked in illness.