Increased transmissibility drives SARS-CoV-2 variant spread, aided by immune escape

Numerous variants of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have emerged over the last few months. Unfortunately, this has driven new coronavirus disease 2019 (COVID-19) waves, often more severe than before. A recent study posted to the medRxiv* preprint server discusses the characteristics of the variant that is responsible for this phenomenon.