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The Human Phenotype Ontology (HPO) is downloaded weekly from The file downloaded is considered the "last stable build" available for the ontology. For more about the HPO, view their website at

Term:Chronic infection
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Accession:HP:0031035 term browser browse the term
Definition:Presence of a protracted or persistent infection by a pathogen potentially related to an underlying abnormality of the immune system that is not able to clear the infection.

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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the immune system 0
        Abnormality of immune system physiology 0
          Unusual infection 0
            Chronic infection 0
              Chronic active Epstein-Barr virus infection 0
              Chronic tinea infection 0
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