Can a pill a day help prevent infection from HIV, the virus that causes AIDS? ...more

August 4, 2008

New York Mayor Michael Bloomberg and Microsoft founder Bill Gates said Wednesday they will together provide $500 million to fight tobacco use around the world, especially in developing countries where smoking rates are rising. ...more

July 24, 2008

Although my high school reunion held in Chicago a few weeks ago did not have a theme, one quickly developed: "Man, it's been 40 years!" ...more

November 11, 2007

An experimental malaria vaccine protected 65 percent of Mozambiquan infants who received a full course of injections, paving the way for a large clinical trial of what could be the first vaccine against the deadly disease, researchers reported Wednesday. ...more

October 18, 2007

The Bill & Melinda Gates Foundation announced Tuesday that it would give $280 million for research and development of tuberculosis vaccines, diagnostic tests and drugs - its largest package of TB grants. ...more

September 19, 2007