An experimental immunization can clear up premalignant growths caused by the human papillomavirus in some patients.

Study in an ER shows individuals successfully determined their own HIV status.

Science News writer Nathan Seppa talks with physicians about people opting out of vaccinations.

Warning signs emerge in the use of an old drug effective against resistant microbes. (p. 16)

Data suggest illness is less likely to be fatal in those taking statins (p. 16)

Study of about 4,000 pregnant women shows link between newborn health and whether mom got vaccinated (p. 16)

Drugs that alleviate severe mental disorders can also result in troubling metabolic changes. (p. 16)

Lung inflammation and a lack of oxygen in the blood appear responsible for most fatal cases of H1N1 (swine) flu, three studies show. (p. 13)

Just as vaccine begins to become available, swine flu cases show up in a majority of the United States. And early results from a new study suggest H1N1 and seasonal flu vaccination shots are effective when given during the same visit.

An obscure pathogen shows up often in people diagnosed with the condition, scientists find. (p. 13)

A new rabies vaccine might be enough to stave off the virus with fewer injections, a study in monkeys suggests.

Giving dopamine infusions to brain-dead organ donors may make transplanted kidneys more resilient, a new study shows. (p. 15)

Children born to women who have undergone weight-loss surgery are healthier than children born to moms who are severely obese, a study shows. (p. 9)