World Health Day international, regional and local events on the Day related to a particular theme. World Health Day is acknowledged by various governments and non-governmental organizations with interests in public health issues, who also organize activities and highlight their support in media reports, such as the Global Health Council. World Health Day is one of eight official global health campaigns marked by WHO, along with World Tuberculosis Day, World Immunisation Week, World Malaria Day, World No Tobacco Day, World AIDS Day, World Blood Donor Day, and World Hepatitis Day. In 2006, World Health Day was devoted to the health workforce crisis, or
Public Health Emergency Preparedness was officially changed to the Office of the Assistant Secretary for Preparedness and Response. Its scope of activity includes preparedness for bioterrorism, chemical and nuclear attack, mass evacuation and decontamination. The ASPR the Secretary's principal advisor on matters related to bioterrorism and other public health emergencies. They are responsible for coordinating interagency activities between HHS, other Federal departments, agencies, offices and State and local officials responsible for emergency preparedness and the protection of the civilian population from acts of bioterrorism and other public health emergencies. The ASPR also works closely with global partners to address common threats around the world,