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By detecting early signs, Boston fitness tracking company WHOOP says it's helping further COVID-19 research
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Whoop Strap 3.0 review: A great fitness tracker for high performers and serious exercise fans - CNET
![Amazon.com : WHOOP 4.0 with 12 Month Subscription – Wearable Health, Fitness & Activity Tracker – Continuous Monitoring, Performance Optimization, Heart Rate Tracking – Improve Sleep, Strain, Recovery, Wellness : Sports & Outdoors Amazon.com : WHOOP 4.0 with 12 Month Subscription – Wearable Health, Fitness & Activity Tracker – Continuous Monitoring, Performance Optimization, Heart Rate Tracking – Improve Sleep, Strain, Recovery, Wellness : Sports & Outdoors](https://m.media-amazon.com/images/I/71CQ6esBqFL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : WHOOP 4.0 with 12 Month Subscription – Wearable Health, Fitness & Activity Tracker – Continuous Monitoring, Performance Optimization, Heart Rate Tracking – Improve Sleep, Strain, Recovery, Wellness : Sports & Outdoors
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