Sore throat or difficulty swallowing - Painful swallowing (not related to seasonal allergies, acid reflux, or other known causes or conditions you already have).
Runny or stuffy/congested nose - Not related to seasonal allergies, being outside in cold weather, or other known causes or conditions you already have.
Headache - Unusual, long-lasting (not related to tension-type headaches, chronic migraines, or other known causes or conditions you already have).
Nausea, vomiting and/or diarrhea - Not related to irritable bowel syndrome, anxiety, menstrual cramps, or other known causes or conditions you already have.
Extreme tiredness or muscle aches - Unusual, fatigue, lack of energy (not related to depression, insomnia, thyroid disfunction, sudden injury, or other known causes or conditions you already have).