morbidity

/M AO0 R B IH1 D AH0 T IY0/
noun
  1. 1

    The quality of being unhealthful or diseased, sometimes including the cause.

  2. 2

    The quality of being morbid; an attitude or state of mind marked by gloom.

  3. 3

    The incidence of a disease, as a rate of a population which is affected.

  4. 4

    An occurrence of illness or disease, or a single symptom of that illness.

  5. 5

    Adverse effects caused by a medical treatment such as surgery.

  6. 6

    The sickness rate of a population.

Source: https://en.wiktionary.org/wiki/morbidity