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UK Health Security Agency

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Only around half of primary school children got their flu vaccine last year

UKHSA reminds parents to return flu consent forms to protect their children as roll out of vaccines in schools starts this week

News story

AI sleep data could provide one-week early warning of flu and COVID-19

UKHSA study finds sleep app cough data can detect respiratory illness and signal outbreaks early.

News story

Invasive mosquito species detected in east London

UKHSA finds invasive Aedes aegypti breeding in east London, prompting enhanced surveillance.

News story

Salmonella outbreak update

UKHSA, alongside the Food Standards Agency and other public health partners, continues to investigate an outbreak of Salmonella in the UK.

News story

Parents urged to vaccinate children at the right time to protect them

Latest data shows signs that vaccine uptake by the time children start primary school is stabilising.

News story

Giardia cases in England reach highest level since 2016

Cases up 11.4% in 2025, with London recording the highest number of cases.

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What we do

The UK Health Security Agency (UKHSA) exists to protect people from health threats. We prevent and reduce the harm caused by infectious diseases, chemicals, radiation, the health effects of climate change and a range of environmental hazards including air quality.

UKHSA is an executive agency, sponsored by the Department of Health and Social Care.

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Research and statistics

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Policy papers and consultations

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Transparency and freedom of information releases

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Our management

Professor Susan Hopkins
Chief Executive
Dyfed Alsop
Chief Operating Officer
Ian Peters
UKHSA Chair
Dr Shona Arora
Chief Medical Advisor (interim)
Professor Steven Riley
Director General Data and Analytics
Professor Robin May
Chief Scientific Officer (interim)

Contact UKHSA

General enquiries

Email

enquiries@ukhsa.gov.uk

To make information access requests including Freedom of Information (FOI) requests, Environmental Information Regulations (EIR) requests and data subject access requests (SAR) to UKHSA, please email InformationRights@UKHSA.gov.uk

Main switchboard
020 7654 8000

Complaints – if you wish to make a complaint about the UK Health Security Agency, please email the UKHSA Complaints team at Complaints1@ukhsa.gov.uk

Fraud – if you are a member of the public and have been contacted by someone claiming to be from UKHSA asking you for money, or if you suspect any fraudulent activity involving UKHSA, please report this to Report Fraud at www.reportfraud.police.uk.

Press office

Email

ukhsa-pressoffice@ukhsa.gov.uk

Contact: Press office

National press office

020 7654 8400

Chemicals, radiation and environmental hazards press office

01235 825 405/406

Out of hours

020 8200 4400

Only for use by journalists and the media

Make a Freedom of Information (FOI) request

  1. Read about the Freedom of Information (FOI) Act and how to make a request.
  2. Check our previous releases to see if we’ve already answered your question.
  3. Make a new request by contacting us using the details below.

Freedom of information requests

Information Rights Team
UKHSA
10 South Colonnade
London
E14 4PU
United Kingdom

Email

InformationRights@UKHSA.gov.uk

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