Characterizing COVID-19 and Influenza Illnesses in the Real World via Person-Generated Health Data

December 12, 2020
Publications

Characterizing COVID-19 and Influenza Illnesses in the Real World via Person-Generated Health Data

December 12, 2020
Publications

Shapiro A, Marinsek N, Clay I, Bradshaw B, Ramirez E, Min J, Trister A, Wang Y, Althoff A, and Foschini L

December 12, 2020
Publications

Characterizing COVID-19 and Influenza Illnesses in the Real World via Person-Generated Health Data

December 12, 2020
Publications
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SUMMARY: The fight against COVID-19 is hindered by similarly presenting viral infections that may confound detection and monitoring. We examined person-generated health data (PGHD), consisting of survey and commercial wearable data from individuals' everyday lives, for 230 people who reported a COVID-19 diagnosis between March 30, 2020, and April 27, 2020 (n = 41 with wearable data). Compared with self-reported diagnosed flu cases from the same time frame (n = 426, 85 with wearable data) or pre-pandemic (n = 6,270, 1,265 with wearable data), COVID-19 patients reported a distinct symptom constellation that lasted longer (median of 12 versus 9 and 7 days, respectively) and peaked later after illness onset. Wearable data showed significant changes in daily steps and prevalence of anomalous resting heart rate measurements, of similar magnitudes for both the flu and COVID-19 cohorts. Our findings highlight the need to include flu comparator arms when evaluating PGHD applications aimed to be highly specific for COVID-19.

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