Cookies are text files containing small amounts of information which are downloaded to your device (your computer, mobile phone, tablet etc) when you visit a website. They are useful because they allow the website to recognise your device. Most websites use cookies.

You can delete the cookies stored on your computer at any time. You can also change your browser’s privacy settings to block websites from storing cookies on your computer. To learn more about cookies, including how to manage or delete them, see All About Cookies.org.

How we use cookies

We use cookies where they are necessary for the functioning of this website or where they help us to give you the best possible experience.

Our cookies are not used to identify you personally. At no point will our cookies result in cold calls, junk email or information being passed to third parties.

When you first visit this website, we notify you that we use cookies. By proceeding and using this website you are agreeing to accept cookies. The notification message is only shown once; it is hidden when you choose to view further pages in this website.

Third party cookies

We may occasionally incorporate functionality from other, reputable, websites. These websites may also set cookies, known as third party cookies. Where this is the case, we will list the third party cookies in the table below. Please read the cookies information on these websites so you are always aware of how cookies are being used.

The table below explains the cookies we use and why

Cookie Name Purpose
Cookie banner ohis-cc-meesage-seen Controls the appearance of our cookies notification message (the message is displayed once and then hidden).
Google Analytics _ga We use Google Analytics to collect information about how visitors use this website. The cookie collects information in an anonymous form, including the number of visitors to this website, where vistors have come from and the pages they visited. To find out more, please see Google Analytics: Safeguarding your data.
Twitter guest_id pid We display our tweets on the website homepage using a Twitter feed. When you visit our homepage for the first time, Twitter sets two cookies. For information on how Twitter uses cookies, please see Twitter’s privacy policy.