SARS-CoV-2 Spike displays multiple adaptive changes in addition to the furin cleavage site. Robert F. Garry1-3 1Department of Microbiology and Immunology, Tulane University Medical Center, 1430 Tulane Avenue, New Orleans, Louisiana 70112 USA. 2Zalgen Labs, LLC, Germantown, MD, USA. 3Global Viral Network, Tampa, Florida Abstract SARS-CoV-2 is a pandemic pathogen with highly transmissibility by the respiratory route and ability to replicate in many animals, including humans. The evolution of SA...