HIV diagnosis rate falls by a third in U.S.: researchers
Fewer people in all U.S. groups tested positive for human immunodeficiency virus except for gay and bisexual men ages 13 to 24 and over 45, they wrote in a special issue of the Journal of the American Medical Association.
"Among men who have sex with men, unprotected risk behaviors in the presence of high prevalence and unsuppressed viral load may continue to drive HIV transmission," the report said.
The U.S. drop is in line with a global downturn in the epidemic of AIDS, or Acquired Immune Deficiency Syndrome. The United Nations said on Wednesday that there were 2.1 million new HIV infections worldwide in 2013, down 38 percent from 2001.
The U.S. decline followed increased emphasis on care and treatment for people with HIV, including use of antiretroviral therapy, the report said.
The CDC has reported that 1.1 million people in the United States are living with HIV, and 18 percent are unaware of their infections.