HIV diagnosis rate falls by a third in U.S. – researchers

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WASHINGTON – annual rate diagnosis with , virus causes AIDS, fell by a third United between 2002 and 2011, researchers on Saturday.

Fewer people all U.. groups tested positive for human immunodeficiency virus except for gay and bisexual men ages 13 to 24 and over 45, they wrote a special issue Journal the American Medical Association.

“Among men who have sex with men, unprotected risk behaviours in the presence high prevalence and unsuppressed viral load may continue to drive transmission,” the report said.

From 2002 to 2011, 493,372 people were diagnosed with in the United , researchers said, citing data from the 50 and the District of Columbia.

The diagnosis rate fell to 16.1 per 100,000 people in 2011 from 24.1 in 2002, the researchers wrote in the issue, published to coincide with an international AIDS meeting in Melbourne, Australia.

The U.. drop is in line with a global downturn in the epidemic of AIDS, or Acquired Immune Deficiency Syndrome. The United Nations said on Wednesday there were 2.1 million HIV worldwide in 2013, down 38 percent from 2001.

The U.. decline followed increased emphasis on care and treatment for people with HIV, including use of antiretroviral therapy, the report said.

The researchers were headed by Anna Satcher Johnson, an epidemiologist with the . Centers for Control and Prevention (CDC).

The CDC has 1.1 million people in the United are living with HIV, and 18 percent are unaware of their . (Reuters)