World Health Organization Children's Fund (UNICEF), and smaller organizations. , it has been working to immunize young children and prevent the re-emergence of cases in countries declared "polio-free". In 2017, a study was conducted where why Polio Vaccines may not be enough to eradicate the Virus & conduct new technology. Polio is now on the verge of extinction, thanks to a Global Vaccination Drive. the World Health Organization (WHO) stated the eradication programme has saved millions from deadly disease. Another of the thirteen WHO priority areas is aimed at the prevention and reduction of "disease, disability and premature deaths from chronic noncommunicable diseases,
World Health Organization prevention and influence public policies in all sectors so as to address the root causes of environmental threats to health". The organization develops and promotes the use of evidence-based tools, norms and standards to support member states to inform health policy options. It oversees the implementation of the International Health Regulations, and publishes a series of medical classifications; of these, three are over-reaching "reference classifications": the International Statistical Classification of Diseases (ICD), the International Classification of Functioning, Disability and Health (ICF) and the International Classification of Health Interventions (ICHI). Other international policy frameworks produced by WHO include the International Code