https://www.techradar.com/news/the-fingerprint-scanner-on-your-next-phone-might-check-your-temperature

Scientists from the Samsung Display-UNIST Center at the Ulsan National Institute of Science and Technology in South Korea have developed a transparent, flexible fingerprint scanner that can be embedded in a smartphone's display and has the ability to not only read your print, but also take your temperature.

Details of the new technology were published on Nature Communications, outlining how the technology works and what it can offer.