RIO DE JANEIRO, BRAZIL - Cuban scientists are working on four vaccine candidates against Covid-19: Soberana 1 (in Phase II), Soberana 2 (in Phase III), Mambisa (in Phase I) and Abdala (in Phase III). A fifth candidate, Soberana +, is a reformulation of Soberana 1, intended for convalescents of the disease.
If all trial phases are successfully completed and approval is granted by Cuba's National Regulatory Agency, any of these immunizers would become the . . .