Covid-19 is a real puzzler. Its effects are all over the map from unnoticeable to death, along with every point in between. Some people exhibit no symptoms and are unaware that they are infected until a positive test for the SARS-Cov-2 virus delivers the bad news. Others rapidly deteriorate and then die within a few days. Some (the “long haulers”} remain weak and tired for months after the acute disease has left them. Some even suffer permanent damage to their internal organs. Continue reading →