RIO DE JANEIRO, BRAZIL - Cuba's Covid-19 vaccine candidate Soberana 02 has achieved 62% efficacy with the administration of 2 of its 3 planned doses, an intermediate result that exceeds the 50% required by the World Health Organization (W.H.O.), the island's scientific officials said Saturday.
"We can report that we have achieved 62% efficacy with the administration of 2 doses of the Soberana 02 vaccine, a "comforting" result because it was achieved with the strains currently circulating in the country," said Vicente Vérez director of the Finlay Vaccine Institute, which developed the immunizer.
The W . . .