Israel’s Thermoguard has developed special data-gathering thermometers that flag small-but-significant peaks in body temperature. It has been testing them in kindergartens to alert staff to take early action to prevent mass classroom outbreaks from unvaccinated children.

https://www.timesofisrael.com/with-kids-unvaccinated-israeli-tech-aims-to-detect-and-prevent-school-outbreaks/