Similar results were found in the remaining 30% as well, as the algorithm was able to accurately detect 68% of the positive cases up to two days before symptoms appeared. It confirmed the presence of SARS-COV-2 in 73% of cases early as two days prior to the onset of symptoms. The virus was confirmed using molecular and/or serological assays. Of the 1,163 participants, who took part in the study from March 2020 until April 2021, 127 tested positive for COVID-19 during the period. The bracelet picked up conspicuous changes in all five physiological indicators from the different stages such as incubation, pre-symptomatic, symptomatic and recovery.Īn algorithm developed by the team was used to detect COVID-19 symptoms in 70% of the participants who tested positive for the virus. The wearable device used in the study was paired with a modified mobile app and the five health parameters were recorded, along with any activity that might have an effect on the body's central nervous system, such as alcohol use and intake of prescription or recreational drugs, as well as any possible COVID-19 symptoms, researchers wrote in a paper published in BMJ Open. ![]() "When the pandemic started in March 2020, we quickly thought about how we could contribute to the knowledge gain and help to prevent and treat patients with COVID and help to avoid or better treat and better handle future pandemics," explained David Conen, co-author of the study. The bracelet is commercially available and approved by FDA and European agencies. Wearable devices like a fertility tracker can help detect COVID-19 as early as two days before the onset of symptoms, a new study has shown.įor their research, scientists used an AVA fertility tracker, which measures respiratory rate, heart rate, heart rate variability, wrist-skin temperature and blood flow at night.
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