Any bodily disorder, especially regarding the blood.
Imbalance of the four bodily humors (blood, black and yellow bile, phlegm) that was thought to cause disease.
A widespread disease that affects many individuals in a population.
An occurrence of a disease or disorder in a population at a frequency higher than that expected in a given time period; an episode of outbreak and subsequent high prevalence.
The spreading of an idea or belief amongst a population.
Like or having to do with an epidemic; widespread.