It has been a weird roller coaster of emotions for many of us here in the US as a seemingly distant viral infection has morphed into a pandemic. It should not be surprising as the Spanish Flu of 1918 killed nearly 50 million people in a world of 1.8 billion inhabitants, while we live today in ever-increasing proximity and global connectivity. In the past two decades as a world citizenry, we have had some near pandemics with SARS, MERS-CoV, and avian influenza missing out on global domination. I was half expecting the Covid-19 outbreak to reach the same fate, but it seems to be more resilient, able to remain viable on surfaces, spread over longer distances, and remain asymptomatic in hosts while infecting unsuspecting new hosts.
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