China’s central government has cracked down on press freedom as the country expands its international influence, but in the internet age, many of its citizens hunger for a free flow of information.

Since its postwar founding, the UN agency has garnered both praise and criticism for its response to international public health crises, including the COVID-19 pandemic.

The swift development of effective vaccines against COVID-19 was an unprecedented scientific achievement. But production challenges, vaccine nationalism, and new variants have all presented hurdles.