Studies have shown that male circumcision can reduce a man's risk of getting HIV, the virus that causes AIDS.

VOA: special.2009.04.01

W.H.O.special adviser Keiji Fukuda said last week that the virus has continued to act in some ways like seasonal flu.

VOA: special.2009.11.11

Others say some women may have had sex with infected men who had very high amounts of the virus.

VOA: special.2010.07.21

She suspects that chimps may be a step ahead of humans in how their bodies deal with the virus.

VOA: special.2009.09.08

The director of its Vaccine Research Center,Gary Nabel, says each antibody blocks the virus from attaching to white blood cells.

VOA: special.2010.07.14

His team is also attempting to produce new food oils and make synthetic parts of every known influenza virus.

VOA: special.2010.07.20

One was the ability of the vaccine to prevent infections from the human immunodeficiency virus, better known as H.I.V.

VOA: special.2009.10.13

The World Health Organization has predicted that the virus will infect at least two billion people in the next two years.

VOA: special.2009.08.18

The vaccine did not lower the amount of virus in the blood of volunteers who became infected during the study.

VOA: special.2009.10.13

The gel contains tenofovir. This is a common anti-retroviral drug used to treat people with HIV, the virus that causes AIDS.

VOA: special.2010.07.21

He says identifying human antibodies that will stop the ability of the virus to reinvent itself is the first step.

VOA: special.2009.03.04

Fran?oise Barre-Sinoussi was honored with another scientist for research leading to the discovery of H.I.V., the virus that causes AIDS.

VOA: special.2009.05.13

The virus was identified in Uganda in two thousand four and has spread fast in areas extending from Lake Victoria.

VOA: special.2010.06.08

The study linked almost one in every five such deaths in two thousand eight to the virus that causes AIDS.

VOA: special.2010.04.14