All Day

World Immunization Week

24 to 30 April is World Immunization Week World Immunization Week, celebrated in the last week of April, aims to highlight the collective action needed and to promote the use of vaccines to protect people of all ages against disease. Through its convening power, WHO works with countries across the globe to raise awareness of...

International Chernobyl Disaster Remembrance Day

The persistent legacy of the Chernobyl disaster An explosion at the Chernobyl Nuclear Power Plant in 1986 spread a radioactive cloud over large parts of the Soviet Union, now the territories of Belarus, Ukraine and the Russian Federation. Nearly 8.4 million people in the three countries were exposed to the radiation. The Soviet Government acknowledged...