Flu Symptoms 2024. Symptoms of influenza include acute onset of fever, cough, sore throat, body aches and fatigue. Both infections are caused by viruses, but their effect on individuals can vary.
Unlike rsv, cold, and flu, covid may also bring on some gastrointestinal symptoms like nausea, vomiting, and diarrhea. Influenza spreads rapidly and efficiently in seasonal epidemics.