1
morbidity of [disease]
表示某种疾病的发病率，常与 of 连用；此义下 morbidity 通常为不可数名词。
The morbidity of tuberculosis remains high in some regions.
结核病在某些地区的发病率仍然很高。
发病率；罹病率
先理解核心含义，再看它在真实句子里的用法。
发病率；罹病率
the relative incidence of a particular disease
The morbidity of tuberculosis remains high in some regions.
结核病在某些地区的发病率仍然很高。
不健康或患病状态的性质,有时包括原因。
The quality of being unhealthful or diseased, sometimes including the cause.
病态的性质；以忧郁为特征的态度或心态。
The quality of being morbid; an attitude or state of mind marked by gloom.
疾病的发病率,即受影响人群中该病的发生率。
The incidence of a disease, as a rate of a population which is affected.
疾病或病症的发生,或该疾病的一个单一症状。
An occurrence of illness or disease, or a single symptom of that illness.
Public health reports use morbidity to show how common a disease is in a region.
公共卫生报告使用发病率来显示一种疾病在一个地区有多常见。
The clinic records morbidity among older patients during the winter months.
诊所记录冬季老年患者的发病率。
By tracking morbidity over time, researchers can see whether a disease is spreading.
通过追踪发病率随时间的变化，研究人员可以了解疾病是否在传播。
表示某种疾病的发病率，常与 of 连用；此义下 morbidity 通常为不可数名词。
The morbidity of tuberculosis remains high in some regions.
结核病在某些地区的发病率仍然很高。
due to 后接病因或风险因素，强调致病原因。
Morbidity due to air pollution is often underestimated.
由空气污染导致的发病率常常被低估。
此义指不健康、阴郁的精神状态，属正式用法，多用于文学或心理描写。
The morbidity of his thoughts alarmed those around him.
他思想的病态让他周围的人感到不安。
Not this
The mortality of this disease has increased, so more people are being infected.
Use this
The morbidity of this disease has increased, so more people are being infected.
morbidity 意为“发病率”，表示疾病发生的频率；mortality 意为“死亡率”，表示死亡的频率。该句描述感染人数增多，因此应使用 morbidity。
Not this
He has a morbidity fear of germs.
Use this
He has a morbid fear of germs.
morbidity 是名词，表示“病态；发病率”，不能直接用来修饰名词 fear；这里需要形容词 morbid（病态的）。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
发病率
The morbidity rate for this disease has fallen sharply.
这种疾病的发病率已大幅下降。
发病率和死亡率
The report examines morbidity and mortality across different age groups.
该报告考察了不同年龄段的发病率和死亡率。
降低发病率
Vaccination can significantly reduce morbidity.
接种疫苗可以显著降低发病率。
心理病态；心理困扰
Long-term unemployment is linked to psychological morbidity.
长期失业与心理病态有关。
发病风险
Smoking increases the morbidity risk for many diseases.
吸烟增加多种疾病的发病风险。
Use morbidity naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
morbidity 词中藏着 morbid（病态的），想象医院里一本写满 morbidity（发病率）的病态报告。
语域：formal 常见场景：医学论著、公共卫生报告、流行病学统计 该义项指某种疾病在人群中的发生频率或患病情况，多用于医学、公共卫生和统计等正式书面语境；日常口语中比较少见。
复数形式morbidities用于指多种疾病或病态。
Dictionary facts from ECDICT, WIKTIONARY.