- 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 get COVID-19 becomes seriously ill and develop difficulty breathing.
- Older people, and those with underlying medical problems like high blood pressure, heart problems or diabetes, are more likely to develop serious illness.
- People with fever, cough and difficulty breathing should seek medical attention.
- Day 1: Patients run a fever. They may also experience fatigue, muscle pain, and a dry cough. A small minority may have had diarrhea or nausea one or two days before.
- Day 5: Patients may have difficulty breathing, especially if they are older or have a preexisting health condition.
- Day 7: This is how long it takes, on average, before patients are admitted to a hospital, the Wuhan University study found.
- Day 8: At this point, patients with severe cases develop acute respiratory distress syndrome, an illness that occurs when fluid builds up the lungs. ARDS is often fatal.
- Day 10: If patients have worsening symptoms, this is the time in the disease's progression when they're most likely to be admitted to the ICU. These patients probably have more abdominal pain and appetite loss than patients with milder cases. Only a small fraction die: The fatality rate has hovered at about 3%.
- Day 17: On average, people who recover from the virus are discharged from the hospital after 2 1/2 weeks.
Resource: cdc.com and Business Insider
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