The Delta Trick of COVID-19
Since the first report of SARS-CoV-2 from Wuhan, back in December 2019, the pandemic has ravaged the world with ever-evolving different variants-with changing dominance patterns. Different variant of concerns (alpha, beta, gamma, delta and kappa) with corresponding spike mutations, rendering evasion of the immune system and making them varyingly resistant to different vaccines (1). Presently, the delta variant (B.1.617.2) has outcompeted the other variants of concern and is globally the most intimidatingly dominant one. [READ MORE]