The coronavirus disease 2019, caused by the SARS-CoV2 virus, was declared a pandemic in March 2020 by the WHO. Protein S from the viral surface has been identified as the optimal antigen for vaccine development. In a pandemic, the traditional vaccine development process has had to be accelerated to advance in an adequate response to the problem, shortening the times. Safety, immunogenicity, protection against infection, antibody dependent enhancement phenomena and duration of protection are studied in parallel, unlike the traditional way in which it was carried out in successive stages. Currently in Phase III there are 4 types of vaccines: inactivated; based on purified or recombinant proteins, based on DNA / RNA nucleic acids and based on viral vectors. The objective of this review is to understand the studies that precede the vaccines that are currently in Phase III studies and to describe the main characteristics of these studies. Currently the world is in a situation unprecedented in the last century. Among the options to face this fact, one vaccine or, ideally, several, safe, effective and immunogenic, seem to be one of the best alternatives to regain lost normality within a reasonable time.
CITATION STYLE
Ibáñez Guelfenbein, C., Torres Torretti, J. P., & Santolaya de Pablo, M. E. (2021). Vacunas SARS CoV-2, estudios en fase III. Revista Chilena de Infectología, 38(1), 88–98. https://doi.org/10.4067/s0716-10182021000100088
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