The United Kingdom Health Security Agency (UKHSA) is a system leader for health security; taking action internationally to strengthen global health security, providing trusted advice to government and the public and reducing inequalities in the way different communities experience and are impacted by infectious disease, environmental hazards, and other threats to health.

UKHSA’s remit, as an agency with a global-to-local reach, is to protect the health of the nation from infectious diseases and other external threats to health. As the nation’s expert national health security agency UKHSA will:

• Prevent: anticipate threats to health and help build the nation’s readiness, defences and health security
• Detect: use cutting edge environmental and biological surveillance to proactively detect and monitor infectious diseases and threats to health
• Analyse: use world-class science and data analytics to assess and continually monitor threats to health, identifying how best to control and mitigate the risks
• Respond: take rapid, collaborative and effective actions nationally and locally to mitigate threats to health when they materialise
• Lead: lead strong and sustainable global, national, regional and local partnerships designed to save lives, protect the nation from public health threats and reduce inequalities.