Research from the Chinese Center for Disease Control suggests that around 80% of coronavirus cases are mild. Around 15% of patients have gotten severe cases, and 5% have become critically ill.
Here's how symptoms progress among typical patients:
- Day 1: Patients run a fever. They may also experience fatigue, muscle pain, and a dry cough. A small minority of them may have had diarrhea or nausea one to 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, according to the Wuhan University study.
- Day 8: At this point, patients with severe cases (15%, according to the Chinese CDC) develop acute respiratory distress syndrome (ARDS), 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 current fatality rate hovers around 2%.
- Day 17: On average, people who recover from the virus are discharged from the hospital after two-and-a-half weeks.
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[1] https://jamanetwork.com/journals/jama/fullarticle/2761044
[2] https://www.businessinsider.com/coronavirus-covid19-day-by-d...
Not allowed to do this and not sure how long this will be up; the entire UpToDate reprint on the latest we know about COVID-19 (Coronavirus)
[3] https://www.scribd.com/document/448592904/COVID-19
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Stay vigilant, stay careful, but most importantly, do not spread false information.