The Molecular and Biological Patterns Underlying Sustained SARS-CoV-2 Circulation in the Human Population
Introduction.For four years, SARS-CoV-2, the etiological agent of COVID-19, has been circulating among humans.By the end of the second year, an absence of immunologically naive individuals was observed, attributable to extensive immunization efforts and natural viral exposure.This study focuses on delineating the molecular and biological patterns t