The findings, derived from KCL’s symptom tracking app, used data from 1,600 users in the UK and the US, which confirmed Covid-19. The resulting algorithm was tested on an independent cohort of 1,000 users in the United Kingdom, the United States, and Sweden.
“These findings have important implications for the care and monitoring of people who are most vulnerable to severe Covid-19,” said Dr. Claire Steves of KCL.
“If you can predict who these people are on day five, you have time to provide them with support and early interventions, such as monitoring blood sugar and oxygen levels, and making sure they are adequately hydrated: simple care that could be provided in the home, avoiding hospitalizations and saving lives. “
The less severe categories of the virus were characterized by flu-like symptoms, with or without fever.
Gastrointestinal problems, such as diarrhea, dominate the third category, while fatigue, confusion, and ultimately respiratory problems are associated with the increasingly severe fourth, fifth, and sixth categories.
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