The drug, developed in Cuba, is produced in China at the Changchun Heber Biological Technology, located in Jilin province, in a joint venture as part of an agreement between the two socialist countries in biotechnology.

It has prevented thousands of deaths in South Korea. Out of the 8,000 infected peoples, only 72 died. Germany has also bought these antivirals from the ChangHeber to fight the pandemic. Out of the 3,156 infected people, only 3 died.