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Multilingual Demographic Dictionary, second unified edition, English volume

Prevalence of disease

Multilingual Demographic Dictionary, second unified edition, English vol.
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Prevalence of disease  (PREVALENCE of disease)

The study of morbidity 1 deals with the investigation of illness 2, sickness 2, ill-health 2 or disease 2 in a population. Two aspects are considered: the incidence of disease 3 and the prevalence of disease 4 according to whether the new cases of disease 5 are considered or the number of cases existing at one point in time. The compilation of morbidity statistics 6 is hampered by the lack of a sharp distinction between health and the morbid state 7. Nosology 8 and nosography 9 contribute respectively to the classification and description of diseases.

  • 2. Disease, illness, or sickness are used as collective nouns in the singular, or both in the singular or plural to designate specific ailments.