On Wednesday, The Kroger Co. expanded its voluntary recall of some ground beef products to its stores in more than 20 states, saying the meat may be contaminated with E. coli. Read more »

President Bush urged Congress Wednesday to approve funds to fight AIDS in Africa and other countries, and said the issue was high on his agenda for a Group of Eight summit in Japan next week. Read more »

People with HIV in the developed world are no more likely to die in the first five years following infection than men and women in the general population, British researchers said on Tuesday. Read more »

The U.S. government proposed payment changes in the Medicare health insurance program Monday that could impact reimbursement of medical imaging, diagnostic testing and dialysis providers. Read more »

More than 750 people have become ill in an outbreak of Salmonella linked to certain types of tomatoes, U.S food safety officials said Thursday. Read more »

Vaccines to prevent rabies in people are in short supply in the United States and should be used only if needed, federal health officials advised Thursday. Read more »

HIV/AIDS infection rates are growing among intravenous drug users, prostitutes and gay men around the globe but they are often viewed as outcasts and refused treatment, according to a report issued on Thursday. Read more »

New government estimates show that nearly 24 million people in the United States have diabetes, an increase of more than 3 million in two years. Read more »

A simple doctor's examination for subtle problems such as reduced reflexes or unstable posture could help predict which healthy elderly people are at the highest risk of death or stroke, researchers said on Monday. Read more »

The World Health Organisation (WHO) confirmed on Thursday that two Indonesians, a 16 year-old female and a 34-year-old female, have died from the H5N1 strain of bird flu. Read more »