We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services.
We also use cookies set by other sites to help us deliver content from their services.
You have accepted additional cookies. You can change your cookie settings at any time.
You have rejected additional cookies. You can change your cookie settings at any time.
Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
Emergency Alerts Test on Sunday 7 September, 3pm
How to use a before-and-after study to evaluate your digital health product.
The SIREN study has been investigating SARS-CoV-2 infections and acute respiratory illness in healthcare workers since 2020, and providing vital research into the immune response to infection and vaccination.
Data on the real-world efficacy of the COVID-19 vaccines.
How to use an N-of-1 study to evaluate your digital health product.
How to apply for a clinical trial including eligibility, phases, model IMPDs, costs and how to make changes to your application.
How to use a think aloud study to evaluate your digital health product.
How to use a quasi-experimental study to evaluate your digital health product.
How to use an ethnographic study to evaluate your digital health product.
FCDO travel advice for Curaçao. Includes safety and security, insurance, entry requirements and legal differences.
FCDO travel advice for St Maarten. Includes safety and security, insurance, entry requirements and legal differences.
Don’t include personal or financial information like your National Insurance number or credit card details.
To help us improve GOV.UK, we’d like to know more about your visit today. Please fill in this survey (opens in a new tab and requires JavaScript).