Pneumonia

Pneumonia
Info	Serious fluid build and discharge from the lungs. People in cold climates especially vulnerable
DNA cost	3
Severity increase	Slight
Lethality	None (Slight in Smallpox and VS)
Infectivity increase	Average; Great in Cold climates
Next Symptom	Pulmonary Fibrosis, Pulmonary Oedema
Previous symptom	Coughing

Pneumonia is a tier 2 symptom. It causes serious fluid build in the lungs. It is great for infecting people in countries with cold climates, especially Canada and Greenland. In the Black Death scenario, the ability Pneumonic plague is an equivalent.

In Real Life

Pneumonia is a deadly disease caused by a build up of fluids in the lungs. It can be detected by a coughing and wheezing. It can seriously injure you and is treatable, old people and infants can die of it.