The COVID-19 pandemic has affected wide swaths of the global economy, mostly in a negative manner, but it has spurred some types of innovation at a rate that would be unimaginable in ordinary times. That seems to be the take-away for an emergency use authorization (EUA) granted to Miami-based Tiger Tech Solutions Inc. for its COVID Plus monitor, which uses plethysmography and a machine learning algorithm to provide a screening mechanism at mass gatherings, thus bringing the world one step closer to a state of normalcy.