December 28, 2020
Characterizing Long COVID in an International Cohort: 7 Months of Symptoms and Their Impact
Category: Article Summary
Topic: Clinical Characteristics and Health Care Setting
Keywords (Tags): clinical characteristics, sequelae
[pre-print; not peer-reviewed] In an international web-based survey of people with suspected or confirmed COVID-19 with illness lasting >28 days (n=3,762) identified 205 symptoms across 10 organ systems. In those who recovered in less than 90 days, the average number of symptoms peaked at week 2, as compared to a peak in month 2 among participants who did not recover within 90 days. 86% experienced relapses of their symptoms, with exercise, physical or mental activity, and stress as the main triggers. 87% of unrecovered respondents were experiencing fatigue at the time of survey, compared to 45% of recovered respondents. 45% reported requiring a reduced work schedule compared to pre-illness and 22% were not working at the time of survey due to their health conditions.
Davis et al. (Dec 27, 2020). Characterizing Long COVID in an International Cohort: 7 Months of Symptoms and Their Impact. Pre-print downloaded Dec 28 from