When a disease is more or less constantly prevalent in a locality year after year in a moderate to severe form, it is known as

Correct option is C

✅ (c) endemic disease
· An endemic disease is constantly present within a specific geographic area or population.
· The prevalence remains relatively stable over time.
· Example: Malaria in certain tropical regions.
· Indicates a persistent, habitual presence rather than sudden outbreaks.
❌ (a) pandemic disease
· Pandemic refers to a disease outbreak that spreads globally across multiple countries or continents.
· Example: COVID-19 pandemic.
❌ (b) sporadic disease
· Sporadic diseases occur infrequently and irregularly without a predictable pattern.
· Not persistently prevalent in any particular locality.
❌ (d) epidemic disease
· Epidemic denotes a sudden increase in disease cases in a specific area over a short period.
· Epidemics are temporary spikes, unlike the constant presence of endemics.