Effectiveness and duration of a second COVID-19 vaccine booster

Name: Work Video:
Duration: 3 min 30 s
Alejandro Jara; Cristóbal Cuadrado; Eduardo A. Undurraga; Christian García; M. Flores; María Paz Bertoglia; Verónica Vergara; Jorge Fernández; Heriberto A. Garcia; Rafael Araos
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