Some have speculated that a larger fraction of chronic diseases than we think could actually be infectious diseases in disguise. A famous example is ulcers. A less famous one is...obesity?!? So these new hygienic measures may have benefits beyond corona.
Moreover, our response to the virus will include the acceleration of (a) internet and (b) biomedical technologies. The first reduces the need for large gatherings. The second *may* show us infectious disease risks beyond corona.