Panminerva medica
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Since December 2019, there has been an outbreak of a novel beta-Coronavirus (SARS-CoV-2) in Wuhan, China. On March 11, 2020, the World Health Organization (WHO) declared COVID-19 as a pandemic, with over 118,000 cases in more than 110 countries around the world. In response to the global Coronavirus disease 2019 (COVID-19) emergency, clinical trial research assessing the efficacy and safety of experimental vaccines to prevent COVID-19 are emerging at an unprecedented rate. The aim of this systematic review was to summarize the preliminary experiences and ongoing clinical trials of the major candidates and challenges of the vaccine strategies in humans. ⋯ This new disease is pushing the scientific community to develop swiftly a safe and effective vaccine. Notwithstanding the limitations of our analysis, given by the absence of available results, we try to provide a comprehensive view of the ongoing clinical trials in humans. Our analysis reveals a worldwide effort of both scientists and enterprises to achieve one of the most challenging goals of our century.