'On Dec. 7th, 2017, International Commission on Non-Ionizing Radiation Protection (ICNIRP), has published a ‘Note on the Revision of the High-Frequency Portion of the ICNIRP 1998 EMF Guidelines’.
Revision of the guidelines has been long awaited because the current guidelines are very old. As stated in ICNIRP’s note:
“…current guidelines for the high-frequency (100 kHz – 300 GHz) portion of the electromagnetic spectrum were published in 1998. Given the large body of relevant research that has been generated since those 1998 guidelines, ICNIRP is now revising the guidelines to incorporate this literature…” '
You can read more here.