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.
Estimated New HIV Infections. According to the latest estimates from the Centers for Disease Control and Prevention (CDC), an estimated 37,600 people became newly infected with HIV in the United States in 2014. Encouragingly, the estimated number of annual HIV infections in the U.S. declined 18% between 2008-2014 (from 45,700 to 37,600).