KFF October 29, 2025
Each year, there are multiple infectious disease outbreaks (defined as the occurrence of cases of disease in excess of what is expected) throughout the world. Some of these become severe and have global and domestic implications, including, most notably, the COVID-19 pandemic, but also the 2002-2004 SARS outbreak in China and eventually 28 other countries and the 2014 Ebola outbreak in West Africa. Since outbreaks are an ongoing reality and threat to human health, understanding the current status and scope of global disease outbreaks is important for stemming further spread to other geographic areas and populations, providing advice to travelers, and identifying the types of medical countermeasures that might be needed. While historically the U.S. government has played a key...







