Covid-19: Cuba encouraged by early trials of homegrown vaccine
HAVANA, June 20 (NNN-AGENCIES) — Cuba’s Soberana 2 vaccine candidate has shown 62 per cent efficacy with just two of its three doses, state-run biopharmaceutical corporation BioCubaFarma said, citing preliminary data from late-phase trials. Cuba, whose biotech sector has exported vaccines for decades, has five vaccine candidates in clinical trials,…

