Kajima employee Gunasekar Udayakumar uses the Nervotec app to scan his face and check his vital signs as part of a daily checkup for employees at a construction site in central Singapore, February 19, 2021. Picture taken February 19, 2021. REUTERS/Joseph Campbell
SINGAPORE (Reuters) - Each morning before work at a Singapore construction site, Gunasekar Udayakumar, 41, gets his vital signs checked, without going to a clinic, or even seeing a nurse.
All he needs is his smartphone, which in just 45 seconds can tell him his heart rate, oxygen levels and even his stress levels.
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