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.
About 18% of those infected with HIV in the United States are unaware of their infection. Young adults ages 25 to 34 accounted for 28% of new HIV infections in the United States in 2011, and young people 13 to 24 years old accounted for 21 %. That year, women accounted for an estimated 10,512âor 21%âof the estimated 50,199 new HIV cases in the United States.