Website usage information
We collect website usage information to help us:
assess the effectiveness of marketing campaigns
improve the usage of the website
improve the design of the website and make it more usable for you

Cookies
Cookies are small files that are often created when you visit a website, and which are stored in the cookie directory of your computer. A cookie often includes an anonymous unique identifier. Cookies do not damage your computer. Each website can send its own cookie to your browser if your browser's preferences allow it, but (to protect your privacy) your browser only permits a website to access the cookies it has already sent to you, not the cookies sent to you by other sites. You can decide if you want to accept cookies by changing the settings on your browser to either accept all cookies, reject all cookies, or notify you when a cookie is set.

There are two types of cookie. Persistent cookies remain on your computer for a specified time, like six or 12 months. We use persistent cookies to collect website usage information for use as described above. These cookies contain no personal information and cannot be used to identify you.

Session-specific cookies are deleted when you leave the website. We use session cookies for the following purposes:
to hold the information given while using an interactive tool on the website
to hold your details when you are logged into the site
to hold your search criteria while you are doing a search of the website to collect website usage information for use as described above - website usage information cookies contain no personal information and cannot be used to identify you

Linking to other websites
This website contains links to many other websites. None of the personal information described above is passed to any of these organisations. Anonymous visit or session information may be passed to other websites for the web usage information purposes described above. None of this information can be related to an individual user of the website.
This privacy policy applies only to our website. We are not responsible for the privacy practices within any other websites. You should always be aware of this when you leave the BIOGEN website and we encourage you to read the privacy statement on any other website which collects personal information.

Right to request information
You have a right to request a copy of any personal data held in order to check its accuracy. If you wish to do this, please contact BIOGEN, explaining that your interest is to review your personal data.