Symptoms

  • Fever
  • Cough
  • Sore throat
  • Runny/stuffy nose
  • Muscle/Body aches
  • Headache
  • Fatigue

Serious Complications:

  • Sinus/ear infections
  • Pneumonia
  • Inflammation of the heart (myocarditis), brain (encephalitis), muscle (myositis)
  • Multi-organ failure
  • Chronic medical conditions can become worse such as asthma or chronic heart disease

Cold vs Flu

Signs and Symptoms
Symptom onset
Fever
Aches
Chills
Fatigue, weakness
Sneezing
Chest discomfort, cough
Stuffy nose
Sore throat
Headache

Cold
Gradual
Rare
Slight
Uncommon
Sometimes
Common
Mild to moderate; hacking cough
Common
Common
Rare

Influenza (Flu)
Abrupt
Usual; lasts 3-4 days
Usual; often sever
Fairly common
Usual
Sometimes
Common; can be sever
Sometimes
Sometimes
Common

symptoms