HIV diagnosis rate falls by a third in
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[July 21, 2014]
WASHINGTON (Reuters) - The annual
rate of diagnosis with HIV, the virus that causes AIDS, fell by a third
in the United States between 2002 and 2011, researchers reported on
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.
From 2002 to 2011, 493,372 people were diagnosed with HIV in the
United States, researchers said, citing data from the 50 states 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.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
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The researchers were headed by Anna Satcher Johnson, an
epidemiologist with the U.S. Centers for Disease Control and
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.
(Reporting by Ian Simpson; Editing by Bernard Orr)
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