Attention to global health security--that is, efforts to help prepare for and address pandemic and epidemic diseases--has grown significantly over the past few decades, driven by the ongoing threat posed by emerging infectious diseases (EIDs), including HIV, SARS, H1N1, Ebola, and Zika. (1) While the U.S. government (U.S.) has supported global health security work for more than two decades, its involvement has expanded over time, and global health security is now a defined component of the U.S. global health response. The U.S. has also played a key role in development of the "Global Health Security Agenda (GHSA)," an international partnership launched in 2014. (2) U.S. funding for its primary global health security programs--activities primarily carried out by the U.S. Agency for International Development (USAID), Centers for Disease Control and Prevention (CDC), and Department of Defense (DoD)--has remained relatively flat from FY 2006 ($390 million) through FY 2017 ($402 million), with episodic funding spikes through supplemental funding mechanisms reflecting specific outbreak events, including Ebola in FY 2015 ($1 billion) and Zika in FY 2016 ($145.5 million). The Administration has proposed reduced global health security funding for FY 2018 ($353 million). (3) Through these programs, the U.S. has helped other countries to make measurable improvements in capabilities to detect and respond to emerging disease events, but more work is needed to achieve stated U.S. objectives. In addition, while U.S. efforts were able to expand in recent years due largely to emergency Ebola and Zika funding, much of this funding is set to end in FY 2019, leaving the future of an expanded U.S. response uncertain.
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