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Out-of-pocket (OOP) spending by households is a major way of financing health expenditure in many countries, often linking access to care with the ability...
Skip to main content Publications WHO/C. Pekmez © Credits Latest publications All → 25 February 2026 Tracking out-of-pocket health expenditure under System of Health Accounts 2011 Out-of-pocket (OOP) spending by households is a major way of financing health expenditure in many countries, often linking access to care with the ability... Download Read More 25 February 2026 Safety evaluation of certain food additives: prepared by the one-hundredth meeting of the Joint FAO/WHO... The One-hundredth meeting of the Joint Food and Agriculture Organization of the United Nations (FAO)/World Health Organization (WHO) Expert Committee on... Download Read More 20 February 2026 Air quality monitoring for enhanced understanding of health impacts and beyond Monitoring air quality (for example collecting continuous and quality data) is integral and critical to detecting air pollutants and to ensuring information... Download Read More Book ordersJournals and seriesWHO guidelines New digital publications site This page and linked pages display WHO publications in various digital formats. Institutional Repository for Information Sharing (IRIS) Browse our digital library, If you cannot find a publication on our website. WHO Library Publications produced by regional offices African RegionRegion of the AmericasEastern Mediterranean RegionEuropean RegionSouth-East Asia RegionWestern Pacific Region