noun
nature of a disease; pathogenicity
Medical term referring to the inherent characteristics or virulence of a disease. Often used in contexts like 病性鑑定 (pathological examination) or 病性試験 (pathogenicity test).
See also: 病症 (びょうしょう)
このウイルスの病性はまだ完全には解明されていない。
The nature of this virus's disease has not yet been fully elucidated.
病性鑑定の結果、高病原性鳥インフルエンザと判定された。
As a result of the pathological examination, it was determined to be highly pathogenic avian influenza.