The best way to avoid RSV and others is with lifestyle. Good food, age-appropriate exercise, fresh air, clean water, good sleep, stress management.
These all allow the immune system to function at optimal levels. And believe it or not, natural immunity handles most viruses. But when the body is toxic from food chemicals and drugs, poorly fed, out of shape and over stressed, then the virus takes hold as the immune system is weak.
My beautiful, younger bride and her crabby, older husband -- me! -- both vote 100 percent with your summarized advice. (In our 70s and not been sick, from Germany and France and Netherlands to California to South Carolina and many states in between, by planes and car travel and lots of mingling with lovely healthy folk. We refuse the media-infused infection called "fear."
Fear not, for behold....