‘Local scientists have developed an integrated monitoring system that can be easily attached to any face mask in order to monitor the wearer for health indicators associated with Covid-19. Sensors pick up skin temperature, blood oxygen saturation, blood pressure and heart rate - all of which are parameters associated with coronaviruses. Professor Loh Xian Jun, who is one of the scientists behind the invention, told The Straits Times on Thursday (Sept 10) that the inspiration for the system came around the circuit breaker period.’
Read here (Straits Times, Sept 10, 2020)