Ouch! Sounds painful. I hope you're OK. Bikes are easier to repair than human limbs and stuff.
I'm confident you'll find side covers on this forum somewhere, or perhaps EBay or a motorcycle parts yard (junkyard to the rest).
Good luck, and let us know how it goes.
Luke M
Used to have a 1979 CB750L, sold it as a parts bike, now riding a slightly modified 1984 VT700C. Network/Field Engineer. Central OH, USA, Earth, Sol System, Milky Way Galaxy, Universe.