The doctor will tell you to go home and rest but if you have difficulty in breathing, go to the hospital emergency immediately.
Somebody (still in school) that knows somebody I know (also still in school) just passed away from breathing difficulty as a result of flu.
You have to monitor the condition, your own or someone in your care and the three serious emergency conditions are breathing, heart and strokes.
There is no time to waste.
Get yourself familiar with heart, breathing and stoke symptoms.
The life you save might be your own