That is considered your viral reach. When they see that interaction, they are likely to take a look at your page and see what it’s all about. With links to your website and information about your practice on your Facebook page, you could easily gain a new patient. All you needed to do was simply engage your existing patients with interesting content and let them do the rest.
Organic reach: The number of unique people who saw this post in News Feed, ticker or on your Page.
Viral reach: The number of unique people who saw this post from a story published by a friend. These stories can include liking, commenting or sharing your post, answering a question or responding to an event.