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  • Welcome to this Medmastery coronavirus update.

  • I'm Franz Wiesbauer I'm an internist, trained in epidemiology and public health

  • at Johns Hopkins and the founder of Medmastery, where we teach important

  • clinical skills to doctors and other healthcare providers around the world.

  • Today we're going to talk about the symptoms associated with COVID-19.

  • They're quite a bit different from a regular cold.

  • Let's see how.

  • The disease seems to start with a fever followed by a dry cough.

  • Around 80% of confirmed cases are mild and can stay home, whereas 20% are more severe

  • and need inpatient care due to the pneumonia and its consequences caused by

  • the virus.

  • What's interesting is that COVID-19 only rarely seems to cause a runny nose,

  • sneezing or even a sore throat, even though the sore throat seems to be a

  • little more common.

  • These symptoms commonly observed in regular colds have been observed in only

  • about 5% of COVID-19 patients.

  • A paper published by Chen and coworkers in the respected journal, the Lancet

  • - describe the clinical course of 99 cases hospitalized for SARS-CoV-2 associated

  • pneumonia.

  • They found that fever and cough, are the most common symptoms of COVID-19 followed

  • by shortness of breath.

  • So the classical symptoms of pneumonia seem to be dominant in these patients.

  • 17% of patients in their study treated for COVID-19 developed acute respiratory

  • distress syndrome, or ARDS, a severe complication of COVID-19 and other

  • pathogens and had to be mechanically ventilated.

  • 3% received extracorporeal membrane oxygenation or ECMO and 11% died from the

  • disease.

  • These numbers are comparable to those of other publications.

  • And remember, these are numbers from hospitalized patients not the general

  • COVID-19 population.

  • So that's it for now.

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Welcome to this Medmastery coronavirus update.

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