This is the 2201st most frequent Chinese word.
染病
"染病" means "to contract a disease" or "to fall ill."
The term "染病" here means "contract illnesses" and is a general description of susceptibility to sickness, emphasizing the ease of falling ill during specific conditions.
许多人在季节变化时容易染病。
Many people easily contract illnesses during seasonal changes.
In this sentence, "染病" is used to describe falling ill as a direct outcome of a particular condition or behavior, here prolonged fatigue.
他因为长期疲劳而染病住院。
He fell ill and was hospitalized due to prolonged fatigue.
"染病" is used in the context of preventative advice, indicating the risk or possibility of contracting an illness and the importance of actions to mitigate this.