Two articles about the biosensors of Israel’s Neteera (see here previously). They uniquely use safe, very high-frequency radar to penetrate clothing but not skin, programmed specially to monitor human vital signs. No cameras, no wearables, accurate up to 5 feet away. US FDA approved in 2022.

https://www.israel21c.org/vital-sign-monitors-that-dont-touch-your-body/

https://www.jpost.com/business-and-innovation/tech-and-start-ups/article-722105