TRYING TO UNDERSTAND CORONAVIRUS and how it behaves has proved difficult, even for the experts. Knowing how the disease works and what practices are best to prevent its spread has been hard to figure out. But we do know that social distancing measures have proven to be effective. Wear a mask — wash your hands, often — stay six feet away from other people, if you have to venture out at all — and limit your travel to only necessary trips outside of the home . Unfortunately, with many states relaxing their social distancing rules (either on purpose, like Florida and Texas have, or by judicial decree, as what happened in Wisconsin), the disease looks to be making a strong comeback. People aren't following social distancing rules that are advised by the CDC. Coronavirus hasn't disappeared, but many Americans, nevertheless, are acting like it has . Disturbingly, we're now seeing cases go up to their highest levels ever. On Friday, the U.S. surpassed 40,000 new cases in a sing...