10 year old article, but extended to now will give you a clue.
Virus-Sized Transistors (nano particles, January-February 2011) (lipid nano-particles)
https://www.harvardmagazine.com/2011/01/virus-sized-transistors
Now this exposes some of the elements of the Corona virus composition.
Understanding the nanotechnology in COVID-19 vaccines
https://www.cas.org/resource/blog/understanding-nanotechnology-covid-19-vaccines
Do we read between the lines?
Thanks! Interesting info!