In July, employees from the San Diego Metropolitan Transit System participated in a pilot program to test the viability of wearable fitness devices as tools for tracking early signs of Covid-19.
The idea is that slight changes in heart rate, sleep pattern and physical activity levels are subtle indications of an infection. If these changes are observed, it could motivate people to get tested before major symptoms of the virus appear.
The benefits to communities are that it could help them spot outbreaks earlier, alert people who are asymptomatic, but contagious and assist local officials with increasing testing and tracing protocols.
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