Budharaj A

The Polybasic Insert of the SARS CoV-2 Spike Protein, the RBD and the feline SARS – Evolved or Yet to Evolve

Recent research on the SARS-CoV-2 pandemic has exploded around the furin-cleavable polybasic insert PRRAR↓S, found within the spike protein. The insert and the receptor-binding domain, (RBD), are vital clues in the Sherlock Holmes-like investigation into the origin of the virus and in its zoonotic crossover.