Symptoms may appear 2-14 days after exposure and may vary in severity
- The most common symptoms of COVID-19 are fever, tiredness, and dry cough.
- Some patients may have aches and pains, nasal congestion, runny nose, sore throat or diarrhea. These symptoms are usually mild and begin gradually. Some people become infected but don’t develop any symptoms and don’t feel unwell.
- Most people (about 80%) recover from the disease without needing special treatment.
- Around 1 out of every 6 people who gets COVID-19 becomes seriously ill and develops difficulty breathing.
- Older people, and those with underlying medical problems like high blood pressure, heart problems or diabetes, are more likely to develop serious illnesses.
- Similarities in the symptoms between COVID-19 and earlier Coronaviruses – fever, dry cough, dyspnea, and bilateral ground-glass opacities on chest CT scans
- Unique feature with COVID-19 – Targeting of the lower airway tract with symptoms of URI, in some of the cases an infiltrate in the upper lobe of the lung on chest radiography, associated with increasing dyspnea with hypoxemia).