Severe acute respiratory syndrome‐coronavirus‐2 spike (S) protein based vaccine candidates: State of the art and future prospects – Arashkia – – Reviews in Medical Virology

1 INTRODUCTION Coronaviruses (CoVs) are enveloped viruses of the Coronaviridae family, composed of a large single‐strand, positive‐sense RNA genome (ranging from 26 to 32 kilobases in length) with 5′‐cap and 3′ poly‐A tail.1 While some members of the Coronaviridae family might cause mild respiratory symptoms...