* Fever (usually high)
* Headache
* Muscle aches
* Chills
* Extreme tiredness
* Dry cough
* Runny nose may also occur but is more common in children than adults
* Stomach symptoms, such as nausea, vomiting, and diarrhea, may also occur but are more common in children than adults
They may be mild to severe so it is always a good idea to keep your immune system boosted by getting enough rest, no stress and plenty of vitamins