The paper analyzes the genesis and evolution of Cuban international solidarity programs which began to develop after the triumph of the Cuban revolution in 1959. The author focuses on the issues of assistance in the field of healthcare. The article also provides specific information about implementing planning and redistribution systems so as to carry out national public health programs that turned out to be very successful. Moreover, it covers the challenge of negative impact caused by the US trade and economic blockade imposed on Cuba. The paper pays special attention to Cuban contribution in fighting coronavirus disease (COVID - 19) in 2020.