Safety and efficacy of the two doses conjugated protein-based SOBERANA-02 COVID-19 vaccine and of a heterologous three-dose combination with SOBERANA-Plus: a double-blind, randomised, placebo-controlled phase 3 clinical trial.
This study received funds from the National Fund for Science and Technology (FONCI-CITMA-Cuba, contract 2020-20) of the Ministry of Science, Technology and Environment of Cuba.
