How to write the reason for taking sick leave from new crown pneumonia?

Reasons for taking leave during the epidemic period: (1) Sudden illness or serious physical discomfort, or accidental injury, and urgent need to go out for medical treatment; (2) Sudden major events at home; (3) Other special circumstances. It needs to conform to objective facts and urgency, and the success rate of leave will be higher.

(1) Sudden illness or severe physical discomfort: go to the hospital for examination due to physical discomfort. According to the doctor's diagnosis, I have a bad cold and a lung infection, and I need intravenous drip for 3 days. Therefore, I specially asked for leave for three days. Although I have unfinished work, I still have time. When I get well, I will definitely work harder and finish all the work. I hereby submit it to the leadership for approval.