Resulting from a comparison with control samples; including a comparison (control) group. (describing clinical trials)
Under the control of the specified entity.
Inhibited or restrained in one's words and actions.
Like or having to do with an epidemic; widespread.
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.
A widespread disease that affects many individuals in a population.
The spreading of an idea or belief amongst a population.