Privacy Notice - Public Health (UKHSA)

Date created: 14th April 2026

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Public health encompasses everything from national smoking and alcohol policies, the management of epidemics such as flu, the control of large scale infections such as TB and Hepatitis B to local outbreaks of food poisoning or Measles. Certain illnesses are also notifiable; the doctors treating the patient are required by law to inform the Public Health Authorities, for instance Scarlet Fever.

This will necessarily mean the subjects personal and health information being shared with the Public Health organisations. In the UK this is shared with UK Health Security Agency

Some of the relevant legislation includes: the Health Protection (Notification) Regulations 2010 (SI 2010/659), the Health Protection (Local Authority Powers) Regulations 2010 (SI 2010/657), the Health Protection (Part 2A Orders) Regulations 2010 (SI 2010/658), Public Health (Control of Disease) Act 1984, Public Health (Infectious Diseases) Regulations 1988 and The Health Service (Control of Patient Information) Regulations 2002

1) Data Controller contact details

All Croydon GP Practices 

2) Data Protection Officer contact details

Contact Laura Watson via email

3) Purpose of the processing

There are occasions when medical data needs to be shared with UK Health Security Agency, the Local Authority Director of Public Health, or the Health Protection Agency, either under a legal obligation or for reasons of public interest or their equivalents in the devolved nations.

4) Lawful basis for processing

The legal basis will be 

  • Article 6(1)(c) “processing is necessary for compliance with a legal obligation to which the controller is subject.” 

And 

  • Article 9(2)(i) “processing is necessary for reasons of public interest in the area of public health, such as protecting against serious cross-border threats to health or ensuring high standards of quality and safety of health care and of medicinal products or medical devices,..” 

5) Recipient or categories of recipients of the shared data

The data will be shared with UK Health Security Agency and equivalents in the devolved nations.

6) Rights to object 

You have the right to object to some or all the information being shared. Please contact our Data Protection Officer. 

7) Right to access and correct

You have the right to access the data that is being shared and have any inaccuracies corrected. There is no right to have accurate medical records deleted except when ordered by a court of Law.

8) Retention period 

The data will be retained for active use during the period of the public interest and according to legal requirement. 

9) Right to Complain

You have the right to complain to the Information Commissioner’s Office (ICO).

Please note that the National Data Opt Out does not apply to this sharing of information.

For further information, please see your NHS data matters