According to prof. Luc Montagnier et al. some DNA sequences have extra low frequency (ELF) oscillating magnetic fields after having been exposed for a certain time to an electromagnetic field oscillating with the lowest Schumann resonance of 7.8 Hz.
DNA waves and water
L Montagnier et al 2011 J. Phys.: Conf. Ser. 306 012007
What is the spectrum, and eventual other electromagnetic characteristics, of SARS-CoV-2 when measured with similar techniques?