Abstract
Over the last months and weeks of the pandemic of the Coronavirus Disease 2019 (COVID-19) (January-May 2020) caused by the Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), there has been a significant hope for the development of vaccines against this emerging coronavirus. Dozens of vaccine candidates are currently under assessment in clinical trials already recruiting patients, then there is a real chance to have effective biologicals in relatively short-time, compared to other vaccines.