Final answer:
Morbidity is the state of being diseased or suffering from an illness. It is measured by the number of individuals in a population who have a specific disease over a period of time. Morbidity rates express the number of cases per standard number of individuals, such as per 100,000 people.
Step-by-step explanation:
Morbidity is defined as the state of being diseased or suffering from an illness. It is a measurement of the number of individuals in a population who have a specific disease during a specific period of time. Morbidity can be expressed as a total number of cases or as a rate, such as the number of cases per 100,000 individuals. It is an important measure in epidemiology to understand the occurrence and distribution of diseases.