About A2O₂ Resource Library

This resource library is designed as a central place to host global and country-specific tools, guidance, data, publications, policies, protocols, and advocacy resources related to oxygen delivery systems and oxygen scale-up. It is also the official home of all the publications that informed The Lancet Global Health Commission on Medical Oxygen Security, which was published in February 2025. The Commission report, and its supplementary resources, explores medical oxygen as an essential medicine, a vital service, and a multifaceted system. It presents estimates of oxygen demand, coverage gaps, and the costs of closing gaps, for all regions, and new tools to measure progress.

Frequently updated, it is intended as a living resource to support countries in planning and executing a respiratory care strategy as part of long-term respiratory care planning. It is also useful for anyone who is working within the oxygen ecosystem or wants to learn more about it.

How to use the resource library

All resources are grouped by the following categories:

• Oxygen ecosystem planning, specifically focused on needs assessment, forecasting/quantification, procurement, and financing.
• Respiratory care equipment, specifically related to supply, maintenance, technical specifications, and product information.
• Patient care, highlighting those related to detection/diagnosis, treatment, and case management.
• Advocacy, including key data and evidence, messaging, campaigns, and other advocacy tools.

You can explore the library in three different ways: by category, by searching for specific words or phrases, or by using the advanced search function to filter by multiple fields including category, resource type, intended audience, author, and more.

Key target audiences for these resources include:

• Advocates: Anyone aiming to increase access to oxygen delivery systems by influencing decision-makers to act in support of this goal. Advocates can include civil society representatives, technical experts, academia, community members, and religious and community leaders.
• Decision-makers: People with the authority to make improved access to oxygen delivery systems a reality through supportive policymaking and implementation—including funding, regulations, and laws. These decision-makers include representatives of funding or regulatory bodies, officials from the ministry of health or finance, parliamentarians, regional health leaders, and district health committee members.
• Implementers: People with the authority to organize action plans and necessary resources and put them into practice, such as health care workers, health facility managers, procurement teams, and ministry of health or finance officials.
• Researchers: People involved in monitoring, evaluation, or research, including needs assessment, quantification, modelling, qualitative, interventional, and health policy and systems analyses. Researchers can include technical experts, academia, government officials, and others interested in oxygen data.

Acknowledgments

This library was developed and is managed by PATH as a joint effort between the Tools for Integrated Management of Childhood Illness project funded by Unitaid and the Strengthening Oxygen Utilization and Respiratory Care Ecosystems project funded by the Gates Foundation. Special thanks goes to the Every Breath Counts coalition and The Lancet Global Health Commission on Medical Oxygen Security for their insightful collaboration and support.

PATH would like to provide special recognition to Metric Media for web development of the library.