Advancements in SARS-CoV-2 Vaccine Development During the Prolonged COVID-19 Pandemic The COVID-19 pandemic, caused by the persistent SARS-CoV-2 virus, has spanned over four years, with evolving variants sparking global outbreaks. To effectively mitigate the ongoing crisis, the acceleration of global vaccination remains a paramount strategy. Speculations among scientists suggest that the novel coronavirus might become endemic, establishing a long-term coexistence with humans. In...