The number of people in a given population affected with a particular disease or condition at a given time Prevalence can be thought of as a snapshot of all existing cases at a specified time
The quality or condition of being prevalent; superior strength, force, or influence; general existence, reception, or practice; wide extension; as, the prevalence of virtue, of a fashion, or of a disease; the prevalence of a rumor
The proportion of disease cases that exist within a population at a specific point in time, relative to the number of individuals within that population at the same point in time
The quality or condition of being prevalent; superior strength, force, or influence; general existence, reception, or practice; wide extension; as the prevalence of virtue, of a fashion, or of a disease; the prevalence of a rumor
the number of events (eg instances of a particular disease or other condition) in a given population at a designated time (often expressed as a prevalence rate)
the quality of prevailing generally; being widespread; "he was surprised by the prevalence of optimism about the future" (epidemiology) the ratio (for a given time period) of the number of occurrences of a disease or event to the number of units at risk in the population
The number of all new and old cases of a disease or occurrences of an event during a particular time period, usually expressed as a rate, with the number of cases or events as the numerator and the population at risk as the denominator Prevalence rates are often presented in standard terms, such as the number of cases per 100,000 population
The percentage of hosts in a population with a specific disease at a given time (percentage of infected individuals in the total population at a selected time )
The number of people in a population with a specific disease or condition at a given time, usually expressed as a ratio of the number of affected people to the total population