Cuban science makes significant contributions in battle against COVID-19 Social Share CUBA’S NATIONAL SYSTEM of science, technology and innovation, along with the selfless efforts of doctors, nurses, and health care workers, became the country’s principal strengths in the battle against the pandemic. The priority given by the Revolution, since its very beginnings, to create the human capital necessary to promote the country’s scientific development, building required infrastructure and inserting ourselves, almost three decades later, into the nascent biotechnology industry under Fidel’s guidance, made it possible for Cuba to respond immediately to the health emergency caused by the arrival of COVID-19 to the country, last March.