The primary objective of the WHO is to promote health and well-being of people worldwide, by providing leadership on global health matters, shaping the health research agenda, setting norms and standards, articulating evidence-based policy options, providing technical support to countries, and monitoring and assessing health trends.

The GFATM is a public-private partnership that aims to accelerate the end of AIDS, tuberculosis and malaria by providing financial and technical support to countries affected by these diseases.

UNICEF is a United Nations agency that works to promote the rights of children worldwide. Its key functions include providing humanitarian aid to children in emergencies, promoting child health and nutrition programs, supporting the education of girls, and advocating for the rights of children.

The World Bank provides financial assistance to countries for health projects, including those aimed at improving maternal and child health, combating infectious diseases, and strengthening health systems.

Global health organizations face a number of challenges, including lack of funding, political instability in developing countries, and insufficient coordination among different organizations.

Global health organizations can improve their effectiveness in addressing global health challenges by increasing collaboration and coordination among different organizations, focusing on capacity building in developing countries, and advocating for increased funding for global health programs.

NGOs play a vital role in addressing global health challenges by providing direct services to people in need, advocating for policy changes that promote health, and conducting research on health issues.

The Global Polio Eradication Initiative, the Millennium Development Goals, and the Sustainable Development Goals are all examples of successful global health initiatives that have made significant progress in improving the health of people around the world.

Global health organizations face a number of challenges in the 21st century, including the rise of non-communicable diseases, the increasing cost of healthcare, and the emergence of new infectious diseases.

Individuals can contribute to the work of global health organizations by donating money, volunteering their time, and advocating for policies that promote global health.

The private sector plays a vital role in addressing global health challenges by developing new drugs and vaccines, providing financial support to global health organizations, and conducting research on health issues.

The Global Fund to Fight AIDS, Tuberculosis and Malaria, the Gavi, the Vaccine Alliance, and the Bill & Melinda Gates Foundation are all examples of public-private partnerships in global health.

The media plays a vital role in addressing global health challenges by raising awareness of global health issues, holding governments and organizations accountable for their actions, and promoting healthy behaviors.

Global health organizations face a number of challenges in the future, including the increasing complexity of global health challenges, the growing gap between rich and poor countries, and the impact of climate change on health.

Global health organizations can prepare for the challenges of the future by investing in research and development, strengthening partnerships with other organizations, and advocating for policies that promote global health.