Cookie policy/Site usage information

How do we use cookies?

To ensure that ECDC’s websites function properly, ECDC sometimes places small data files called cookies on the user's device. We use cookies to analyse the online behaviour of the user (e.g. most visited pages, hits, time spent on a page, unique users). The purpose is to use the information to improve the structure and presentation of the web content and improve usability. Cookies are also used to remember the user’s display preferences in order to improve the experience when revisiting the website.

Types of cookies

Type of cookie

Name of cookie







These types cookies help make a website usable by enabling basic functions like page navigation and access to secure areas of the website. The website cannot function properly without these cookies. 

Session cookie; in-memory cookie; transient cookie

These cookies exist only in the temporary memory of the browser while the user navigates the website; their only purpose is to reflect the choice of the user of not allowing persistent cookies

These cookies are removed once the visitor leaves the website. The cookie consent will be prompted in the next visit.



Once the visitor agrees to the cookie consent; it saves the visitor’s preferences and retrieve it in the next visits. 

An application cookie is stored in the browser for period of six (6) months. After this period expires, the visitor will be prompted to give consent again.

Statistics and monitoring




These cookies help us understand how visitors use the website by collecting and reporting information anonymously

Google Analytics

Google Analytics uses cookies, to help the ECDC web team analyse how users interact with the website. The information generated by the cookie about your use of the website will be transmitted to and stored by Google on its servers. By accepting cookies when you navigate this website, you consent to the processing of data about you by Google in the manner and for the purposes set out above.

The cookie is valid for 11 months.

Opt out

For Chrome


These cookies that are used by external applications/software to perform specific functions, e.g., watching videos, stream social media postings, accessing surveillance data, creating maps, etc. Some of these applications may be geo-specific and will ask for locations. They also usually collect the visitor’s IP address but anonymises personal data, among other technical information (such as browser versions, operating system, etc). It remembers user preferences.

Below is the list of third-party applications ECDC web services use:

  European HIV Test Finder

This application is embedded in the ECDC website but hosted by NAM AidsMap, a UK-based charity. 

There is a separate ECDC disclaimer at the bottom of the HIV test finder page.

NAM privacy policy
  Microsoft OneDrive

ECDC uses OneDrive to display its hepatitis B and C prevalence databases. 

OneDrive is a file hosting service operated by Microsoft as part of its suite of Office Online services. OneDrive lets the user store and access their files on virtually any device. Users can also share and collaborate on their files with others.  OneDrive collect data about the usage of the service, as well as the content that users store, to provide, improve and protect the services. OneDrive is only using cookies that are strictly necessary to provide the service and  functionalities and do not transmit any information back to Microsoft.

ECDC has already automatically disabled the use of cookies for “Interest-Based Advertising”.

Microsoft privacy policy

ECDC uses Slideshare to show PowerPoint presentations.

Note that Slideshare belongs to LinkedIn, hence, when visitors uses Slideshare, they are inherently agreeing to LinkedIn's privacy policy and user agreement. LinkedIn collects all the personal details users have provided to their services, in addition, LinkedIn uses cookies and personal data to personalise services and advertisements. LinkedIn also forwards users information to employers  who have 'enterprise accounts'.  

LinkedIn privacy policy
  Surveillance Atlas of Infectious Diseases This website presents the various disease and antibiotic-resistance data collected by ECDC through the European Surveillance System (TESSy).   

Twitter plug-ins are used to stream ECDC’s numerous Twitter accounts on ECDC-owned websites.

When viewing tweets in the Twitter website, Twitter collects information from it’s user, e.g., IP addresses and type of device. 

It also collects other information, e.g., topics of interest, age, languages used and other signals to provide users with tailored contents.

See cookie policy

Control your Twitter preferences



This application plays the video. The cookie collects data on the users’ visits to the website, such as which videos were watched.

Vimeo collects data that may include the visitor’s IP address, technical information about the users’ device (browser type operating system, etc), web page visited and search terms (within the Vimeo website).

See cookie policy



ECDC uses WhatFix to provide built-in tutorials in some if its externally facing applications. WhatFix uses cookies to collect information from users that visit ECDC’s websites. WhatFix uses essential cookies. You may disable these by changing your browser settings, but this may affect how the website functions. WhatFix uses Google Analytics cookies to help improve its functionalities by collecting and reporting information on how you use the website, however the information collected does not contain any personally identifiable information.

See cookie policy



This application plays the video. The cookie collects data on the users’ visits to the website, such as which videos were watched.

YouTube collects data that may include the visitor’s IP address, technical information about the users’ device (browser type operating system, etc), web page visited and search terms (within the YouTube website).

See cookie policy

What are cookies?

To make this site work properly, we sometimes place small data files called cookies on your device.

A cookie is a small text file that a website saves on your computer or mobile device when you visit the site. It enables the website to remember your actions and preferences (such as login, language, font size and other display preferences) over a period of time, so you don’t have to keep re-entering them whenever you come back to the site or browse from one page to another.

How to control cookies

You can control the use of cookies by using the “Manage cookies” area at the bottom of each web page. By clicking on manage cookies you can accept or refuse the use of cookies. If you have not made any selection a section if displayed at the bottom of the page where the user can select “I accept cookies”, “I don’t accept cookies” or “Remind me later”. If you refuse cookies the website will remain usable, but some services and functionalities may be blocked or may not work.

Page last updated 21 Jan 2022