Donald Mcneil Jr

The young scientist, normally calm and measured, seemed edgy when he stopped by his boss's office. "You are not going to believe this one," he told Ron Fouchier, a virologist at the Erasmus Medical Center in Rotterdam. "I think we have an airborne H5N1 virus." The news, delivered one afternoon last July, was chilling. It meant that Dr. Fouchier's r...

In a development that could change the battle against AIDS, researchers have found that taking a daily antiretroviral pill greatly lowers the chances of getting infected with the fatal virus.In the study, published Tuesday by the New England Journal of Medicine, researchers found that the hundreds of gay men randomly assigned to take the drugs were...

From 1946 to 1948, American public health doctors deliberately infected nearly 700 Guatemalans -- prison inmates, mental patients and soldiers -- with venereal diseases in what was meant as an effort to test the effectiveness of penicillin.American tax dollars, through the National Institutes of Health, even paid for syphilis-infected prostitutes t...

A dangerous new mutation that makes some bacteria resistant to almost all antibiotics has become increasingly common in India and Pakistan and is being found in patients in Britain and the United States who got medical care in those countries, according to new studies.Experts in antibiotic resistance called the gene mutation, named NDM-1, "worrying...

The young scientist, normally calm and measured, seemed edgy when he stopped by his boss's office. "You are not going to believe this one," he told Ron Fouchier, a virologist at the Erasmus Medical Center in Rotterdam. "I think we have an airborne H5N1 virus." The news, delivered one afternoon last July, was chilling. It meant that Dr. Fouchier's r...

In a development that could change the battle against AIDS, researchers have found that taking a daily antiretroviral pill greatly lowers the chances of getting infected with the fatal virus.In the study, published Tuesday by the New England Journal of Medicine, researchers found that the hundreds of gay men randomly assigned to take the drugs were...

From 1946 to 1948, American public health doctors deliberately infected nearly 700 Guatemalans -- prison inmates, mental patients and soldiers -- with venereal diseases in what was meant as an effort to test the effectiveness of penicillin.American tax dollars, through the National Institutes of Health, even paid for syphilis-infected prostitutes t...

A dangerous new mutation that makes some bacteria resistant to almost all antibiotics has become increasingly common in India and Pakistan and is being found in patients in Britain and the United States who got medical care in those countries, according to new studies.Experts in antibiotic resistance called the gene mutation, named NDM-1, "worrying...