In the immortal words of my favorite drill instructor, "If it's stupid, but it works, it ain't stupid."
Scientists may one day be able to destroy viruses in the same way that opera singers presumably shatter wine glasses. New research mathematically determined the frequencies at which simple viruses could be shaken to death.
Moreover, it is unlikely that viruses will develop resistance to mechanical shaking, as they do to drugs.
New Way to Kill Viruses: Shake Them to Death (LiveScience)
If it will cure the common cold, influenza or whatever ails me at the moment, I will gladly endure opera. Heh. Too bad chocolate doesn't cure anything but skinniness.