NDM-1

A Belgian man has become the first known to die from an infection caused by bacteria containing an enzyme gene called New Delhi metallo-lactamase-1, or NDM-1.

The Bill & Melinda Gates Foundation announced backing for 78 science projects on Tuesday, including a vaccine triggered by human sweat and a laser vaccine.

Short-term school closings are not an effective way to block the spread of influenza viruses, and may even be counterproductive, Pennsylvania researchers have found.

HIV

World AIDS Day on Dec. 1 is intended to draw together people from around the world to raise awareness about HIV/AIDS and demonstrate international solidarity in the face of the pandemic, according to the World Health Organization.

GENEVA and SHANGHAI — According to new data in the 2009 AIDS epidemic update, new HIV infections have been reduced by 17 percent over the past eight years, the World Health Organization and United Nations Program on HIV/AIDS announced Nov. 24.