Severe chest pain, Having a very hard time waking up, Feeling confused, Losing consciousness, Fever or chills, Difficulty breathing or shortness of breath, Cough, Sore throat, trouble swallowing, Runny nose/stuffy nose or nasal congestion, Decrease or loss of smell or taste, Nausea, vomiting, diarrhea, abdominal pain, Not feeling well, extreme tiredness, sore muscles.