Cookies statement

This statement explains how we use cookies on the Vaccine Knowledge Project webpages (i.e. those in For information about what types of personal information will be gathered when you visit the website, and how this information will be used, please see our Privacy Policy.

How we use cookies

All our web pages use "cookies". A cookie is a small file of letters and numbers that we place on your computer or mobile device if you agree. These cookies allow us to distinguish you from other users of our website, which helps us to provide you with a good experience when you browse our website and enables us to improve our website.

Types of cookies we use

We use the following types of cookies:

  • performance cookies - these cookies collect information about how visitors use a website, for instance which pages visitors go to most often. We use this information to improve our websites and to aid us in investigating problems raised by visitors;
  • targeting cookies - these cookies may be used to deliver adverts more relevant to you and your interests. They collect information about your browsing habits. Targeting cookies are linked to services provided by third parties, and may be used in embedded features on our website, such as Google maps or YouTube videos.

Most web browsers allow some control of most cookies through the browser settings (for example by going to 'Options > Privacy and Security' in Firefox). Blocking cookies may affect your ability to use a website.

Specific cookies we use

Cookies may be set either by ("first party cookies"), or by a third party website such as Google or YouTube ("third party cookies"). Below we identify the cookies we use and explain the purposes for which they are used.

Please note we continue to collect information about third-party cookies and the information below is based on the work completed to date. Accordingly, we may update the information contained in this section from time to time. Additionally, some cookies may be set from time to time by feeds from third party websites that we make available on our sites.

First Party Cookies

We use cookies which relate to Google Analytics and which collect information about how visitors use our site. We use the information to compile reports and to help us improve the website. If you consent to our use of cookies, they will collect:

  • information about the type of device (and its unique device identifier) you use to access our site, the Internet protocol (IP) address used to connect your device to the Internet, browser type and version, time zone setting, browser plug-in types and versions, operating system, mobile network information and platform;
  • information about your visit to our site including the full Uniform Resource Locators (URL), clickstream to, through and from the Website (including date and time), pages you viewed, page response times, download errors, length of visits to certain pages, page interaction information (such as scrolling, clicks, and mouse-overs), and methods used to browse away from the page.

See also the Google Analytics Privacy Statement . You can opt out of Google Analytics by downloading the Google Analytics opt-out browser add-on .

For web editors only: If you are logged in to edit the website, we will place up to three cookies on your computer:

  • webauth_at is a secure cookie used to keep you logged in. It will be deleted when you close your browser
  • serverid is also used to keep you logged in. It will be deleted when you close your browser
  • isEditBarHidden records the position of editing tools on the page. It is set to expire in three years from the last time you edited the website

Third Party Cookies

Embedded YouTube videos may set two cookies (use_hitbox and VISITOR_INFO1_LIVE). YouTube may still set cookies on the user's computer once the visitor clicks on the YouTube video player, but YouTube will not store personally-identifiable cookie information for playbacks of embedded videos using the privacy-enhanced mode. See and for more information.

The TwitterShare widget on our site makes use of cookies (lang, pid and metrics_token). This may include targeted advertising cookies. See and for more information.

Changes to our Cookie Statement

Any changes we may make to our Cookie Statement in the future will be posted on this page.


Any queries or concerns about the use of cookies on this website should be sent by email to or addressed to Vaccine Knowledge Project, University of Oxford, Centre for Clinical Vaccinology and Tropical Medicine (CCVTM), Churchill Hospital, University of Oxford, OX3 7LE.

Page last updated: 
Wednesday, August 22, 2018