Cuba´s Soberana 02 vaccine candidate is a world trend Cuba´s Soberana 02 vaccine candidate is a world trend Havana, Feb 22 (Prensa Latina) Within a few days of starting phase III of clinical trials with 42,600 volunteers, Soberana 02 vaccine has been latest news domestically and internationally. 'Hopeful vaccine', 'safe technology', 'the first vaccine candidate in Latin America' and 'extraordinary breakthrough' are just some phrases on several articles on The New York Times, Business Insider, EuroNews and the BBC. Soberana 02 is a 'global trending' because it is innovative. It is the only candidate for the conjugate vaccine platform in the world ... Soon ... another start, Dagmar García, research director of the Finlay Vaccine Institute, tweeted.