UK Health Security Agency (formerly Public Health England) is an expert national public health agency. UKHSA exists to protect and improve the public’s health and wellbeing and reduce health inequalities. This is achieved through advocacy, partnerships, world-class science, knowledge and intelligence, and the delivery of specialist public health services.
 
UKSA’s provision of evidence-based, authoritative independent advice and scientific expertise ensures that there are effective guidance and arrangements in place nationally and locally for preparing, planning and responding to health protection concerns and emergencies.
 
UKHSA is an operationally autonomous executive agency of the Department of Health.