These illnesses are each based off of the four basic elements. ALL of them are fast spreading.

For Air, it’s called Wind Fever. Symptoms are unknown for this one.

For Fire, it’s called Fire Flu. The symptoms are flame sneezing, high fever, and fast heartbeat. It has no known cure…

For Water, it’s called Wave Flu. It’s main symptom is nausea, but if the person throws up, it’s just water.

For Earth, it called Terraform Fever…. A single sneeze can create trees, bushes, plants randomly.