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See also: co-morbidity


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Alternative forms[edit]


From co- +‎ morbidity.


  • IPA(key): /ˌkəʊmɔː(ɹ)ˈbɪdɪti/


comorbidity (plural comorbidities)

  1. (medicine, uncountable) The presence of one or more disorders (or diseases) in addition to a primary disease or disorder.
    Extensive comorbidity is the hallmark of immunodeficiencies.
    • 2006, Ruth Gross-Isseroff, Abraham Weizman, Obsessive-Compulsive Disorder and Comorbidity[1]:
      The reported comorbidity between categorical personality disorders and OCD ranges between 33 and 87 percent (Bejerot et al, 1998).
  2. (medicine, countable) A disease thus coexisting.
    Coronary artery disease is often a comorbidity of diabetes mellitus.
    • 2020 October 2, “Trump’s Positive Coronavirus Test Upends Campaign in Final Stretch”, in New York Times[2]:
      Yet in private conversations, members of his staff were also candid that the president has comorbidities that could make him more susceptible to a severe bout of the virus.
  3. (medicine, uncountable) The effect of such additional disorders or diseases.


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