An anal fissure is a small tear or split in the lining of the anal canal. Anal fissures are common among infants, but they can occur at any age.Anal fissures are also common among women who have recently given birth and people who have inflammatory bowel disease.n anal fissure is a small tear or split in the lining of the anal canal. Anal fissures are common among infants, but they can occur at any age.
The cumulative number of estimated AIDS cases in the U.S. is estimated to be 1.8 million. Over 1.1 million people are estimated to be currently living with HIV in the U.S. About 50,000 people are infected with HIV in the U.S. each year, a number which has remained fairly steady over the last decade.
Â© creativecommonsstockphotos. 1  An estimated 1.2 million people in the United States were living with HIV at the end of 2014, the most recent year for which information is available. 2  Among people aged 13-24, an estimated 51% of those living with HIV at the end of 2013 didnât know they were infected.