RIO DE JANEIRO, BRAZIL - Cuba's Finlay Vaccine Institute (IFV) reported Thursday the combination of two doses of its candidate vaccine Soberana 02 with a booster dose of Soberana Plus had shown 91.2% efficacy against SARS-CoV-2, which causes Covid-19. Soberana 02 and Soberana Plus - developed by the IFV - are two of the five vaccine projects against the coronavirus being investigated by Cuban scientific institutions. Preliminary analyses of the third and last phase of clinical trials of . . . To read the full NEWS and much more, Subscribe to our Premium Membership Plan. Already Subscribed? Login Here