What Are The First Signs Of A Viral Infection?

What Are The First Signs Of A Viral Infection? Flu-like symptoms (fatigue, fever, sore throat, headache, cough, aches and pains) Gastrointestinal disturbances, such as diarrhea, nausea and vomiting. Irritability. Malaise (general ill feeling) Rash. Sneezing. Stuffy nose, nasal congestion, runny nose, or postnasal drip. How do you know if you have a viral infection? If