OWID; Chinese Center for Disease Control and Prevention
Release date
March 2020
More information
Region
China
Survey time period
as of February 11, 2020
Number of respondents
44,415 patients
Supplementary notes
Symptoms were categorized as mild, severe or critical as follows:
Mild cases: include all patients without pneumonia or cases of mild pneumonia.
Severe cases: include patients who suffered from shortness of breath, respiratory frequency ≥ 30/minute, blood oxygen saturation ≤93%, PaO2/FiO2 ratio <300,37 and/or lung infiltrates >50% within 24–48 hours.
Critical cases: include patients who suffered respiratory failure, septic shock, and/or multiple organ dysfunction or failure.
The source does not specify the release date. The publication date stated here is the date of access.
Citation formats
Distribution of COVID-19 patients in China 2020, by symptom severity
According to a report based on 44,415 confirmed cases of the novel coronavirus COVID-19 in China published in February 2020, critical conditions accounted for about five percent of the total. Critically ill patients suffered from symptoms such as respiratory failure, multiple organ dysfunction, and septic shock.
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OWID. (March 20, 2020). Breakdown of 44,415 sample patients infected with novel coronavirus COVID-19 in China as of February 11, 2020, by symptom severity [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 02, 2026, from /statistics/1105510/china-wuhan-coronavirus-covid-19-patients-distribution-by-severity-of-symptoms/
OWID. "Breakdown of 44,415 sample patients infected with novel coronavirus COVID-19 in China as of February 11, 2020, by symptom severity." Chart. March 20, 2020. ÌÇÐÄÆƽâ°æ. Accessed August 02, 2026. /statistics/1105510/china-wuhan-coronavirus-covid-19-patients-distribution-by-severity-of-symptoms/
OWID. (2020). Breakdown of 44,415 sample patients infected with novel coronavirus COVID-19 in China as of February 11, 2020, by symptom severity. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 02, 2026. /statistics/1105510/china-wuhan-coronavirus-covid-19-patients-distribution-by-severity-of-symptoms/
OWID. "Breakdown of 44,415 Sample Patients Infected with Novel Coronavirus Covid-19 in China as of February 11, 2020, by Symptom Severity." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 20 Mar 2020, /statistics/1105510/china-wuhan-coronavirus-covid-19-patients-distribution-by-severity-of-symptoms/
OWID, Breakdown of 44,415 sample patients infected with novel coronavirus COVID-19 in China as of February 11, 2020, by symptom severity ÌÇÐÄÆƽâ°æ, /statistics/1105510/china-wuhan-coronavirus-covid-19-patients-distribution-by-severity-of-symptoms/ (last visited August 02, 2026)
Breakdown of 44,415 sample patients infected with novel coronavirus COVID-19 in China as of February 11, 2020, by symptom severity [Graph], OWID, March 20, 2020. [Online]. Available: /statistics/1105510/china-wuhan-coronavirus-covid-19-patients-distribution-by-severity-of-symptoms/
