If the plan was for the U.S. to become a nation of hypochondriac's, than it's starting to work. That would include germ phobia, the underlining terror of that "G" word and anything related to it.
With a normal person, in reasonable good health, the abilities to strengthen the immune system can be greatly heighten, even before all the virus panic, in a average public gym setting. That gym you love may also be a potential cesspool of germs (microbes), but your body have put into affect those wonderful abilities to adjust and to reinforce the bodies immune defenses.
So might suggest, that if returning back to your gym after all this overblown virus panic, you are not dead withing the first 30 minutes after, than enjoy your workout and the many more to follow. Covid-19 is not the Black Death of the middle ages, it's a milder form of the yearly seasonal flu.