A seriously ill patient — someone exhibiting severe symptoms from illness or infection who may require hospitalization or intensive care.
病院の発表によると、本日重症者は二名でうち一名はICUに入っている。
According to the hospital announcement, there are two seriously ill patients today, one of whom is in the ICU.
新規患者のうち重症者が増えると医療体制に大きな負担がかかる。
If the number of seriously ill patients among new cases increases, it places heavy strain on the healthcare system.
担当医は重症者の治療方針を早急に決定した。
The attending physician promptly decided on a treatment plan for the seriously ill patient.