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
Health Volunteers Overseas oral health, orthopaedics, pediatrics, physical therapy, wound and lymphedemia management, emergency medicine, mental health, and pharmacology. The delivery of health care services in any country is dependent on a trained cadre of health care professionals. The well-documented global shortage of health care providers disproportionately impacts resource-scarce countries. Faced with serious resource constraints, as well as an immense burden of disease, these countries are faced with enormous needs in the health care sector but have limited capacity to educate and support the workforce necessary to meet these needs. As a result, not enough health care professionals are trained, few are offered