WHO fact sheet on shingles (herpes zoster), including key facts, risk factors, symptoms, transmission, diagnosis, treatment and WHO response. WHO's primary role is to direct international health within the United Nations' system and to lead partners in global health responses. The WHO Global tuberculosis report 2025 provides a comprehensive and up-to-date assessment of the TB epidemic and of progress in prevention, diagnosis and treatment of the disease, at global, regional and country levels.

Understanding the Context

This is done in the context of global TB commitments, strategies and targets. WHO fact sheet on depression, providing information on prevalence, symptoms, prevention and contributing factors, diagnosis and treatment, and WHO's work in the area. WHO fact sheet about anxiety disorders, including information on symptoms, contributing factors, prevention, diagnosis, treatment, self-care and WHO's work in this area. WHO gets its funding from two main sources: Member States paying their assessed contributions (countries’ membership dues), and voluntary contributions from Member States and other partners.

Key Insights

Assessed contributions (AC) are a percentage of a country’s gross domestic product (the percentage is agreed by the United Nations General Assembly). Member States approve them every two years at the ... Obesity and overweight fact sheet from WHO providing key facts and information on causes, health consequences, double burden of disease, prevention, WHO response. Countries overview * In 2025, the United Nations Secretary General, as depository of the WHO Constitution, circulated a notification from the United States of America of its intention to withdraw from the World Health Organization, with a stated effective date of 22 January 2026. This notification is pending consideration by WHO’s governing bodies.

Final Thoughts

References to the United States of America ...