One minor side effect of this terrible pandemic is that we have all become more educated on our own immune system.  Looked at objectively, it is a masterpiece of evolutionary excellence. 

The outward signs of infection are normally easy to see – coughing, sneezing and obvious fever warn other humans to keep away, while our own exhaustion makes us less mobile and thus less likely to infect.  The extraordinary havoc wrought by Covid-19 is primarily due to the virus’s ability to make someone contagious even before these symptoms appear.

For additional insights from Dr. David Kelly, listen to the Insights Now podcast.