COVID-19 Update – Variations on a Theme

The news is filled with alarming stories about new variants of SARS-CoV-2 that were isolated in recent weeks. These variants are versions of the original SARS-CoV-2 virus that have acquired mutations. Mutations are a natural and regular occurrence that happens when the parental viral genome replicates during the process of making progeny viruses. In an …

COVID-19 – Are We Nearing the Endgame?

I suspect that everyone has heard the highly encouraging news this week from two vaccine manufacturers, Pfizer/BioNTech and Moderna. Both companies released the first phase 3 trial preliminary results this week and based on these early data each of their vaccines is highly effective after 2 doses. In the case of Pfizer’s vaccine, the initial …