You might need to be excused from work if you have caught a flu. It is important to seek medical treatment and take rest. To do so, you have to take leave from the office and write an email for sick leave for bad flu. Here is an example of sick leave email for bad flu and simple Sick Leave Email to manager, boss.
Sick Day or Sick Leave Email for Bad Flu to Your Boss
Date: July 10, 2022
Subject: Request mail for sick leave
With due respect, I would like to inform you that I will not be able to report to work today due to unwell health conditions. I caught the flu yesterday and will have to take rest and stay isolated for the next four to five days.
I request you to kindly grant me leave from the office. I will join back as soon as I am well and healthy again.
Thank you so much for your support and kindness.
Employee ID: 69357