What did other countries do to help Chernobyl?

In the aftermath of the Chernobyl disaster, various countries provided assistance to the Soviet Union. Nations such as the United States and countries in Western Europe offered medical aid, expertise in radiation management, and financial support for cleanup efforts. Additionally, international organizations like the World Health Organization and the International Atomic Energy Agency contributed to health assessments and research on the long-term effects of radiation exposure. Many countries also took steps to improve their own nuclear safety protocols in response to the disaster.