When a co-reviewer invites you to join them on a Covidence review, you will receive an email from Covidence.
This email contains a link that you will need to click on in order to accept this invitation.
Clicking on the link will redirect you to the Covidence sign in page.
If you already have a Covidence account, then sign in here using your existing Covidence account details, or via Cochrane if you've previously done so. Note that your email address can be different to the one that the invitation was sent to.
If you are new to Covidence, simply sign up here for a free account.
When you have successfully accepted the invitation to join on a review, you will see the title in your review list.
You can view a short video on this process below: