60GHz frequency found to change nature of oxygen.

Later, some would try to claim that the COVID-19 outbreak was caused by introduction of 5G frequencies and not a virus.

Sources:

• 
  April 10, 2001. Shigeaki (Shey) Hakusui. “Fixed Wireless Communications at 60GHz Unique Oxygen Absorption Properties.” RF Globalnet.
  https://www.rfglobalnet.com/doc/fixed-wireless-communications-at-60ghz-unique-0001.
  Research Journal.
• 
  May 2005. M.Yu. Tretyakov, M.A. Koshelev, V.V. Dorovskikh, D.S. Makarov, and P.W. Rosenkranz. “60-GHz Oxygen Band: Precise Broadening and Central Frequencies of Fine-Structure Lines, Absolute Absorption Profile at Atmospheric Pressure, and Revision of Mixing Coefficients.” Journal of Molecular Spectroscopy 231 (1): 1–14.
  https://doi.org/10.1016/j.jms.2004.11.011.
  Research Journal.