How Viral Infections Cause Long-Term Health Problems In a few patients, the immune system becomes misdirected, attacking the body instead of the virus.
A New Way to Prevent S.T.I.s: A Pill After Sex The Centers for Disease Control and Prevention plans to recommend a widely used antibiotic, though not for everyone just yet.
Warming Oceans May Raise Risk of Bacterial Infections As oceans warm, pathogenic bacteria are turning up more frequently in northern regions, scientists say.
Bruce Springsteen Is Treated for Symptoms of Peptic Ulcer Disease. What Is It? Bruce Springsteen postponed shows to get treatment for symptoms of the disease.
Flesh-Eating Bacteria at the Beach? What You Need to Know. Infections with Vibrio vulnificus are rare, especially in the Northeast. But a few recent cases suggest that precautions are wise for some wading into the water.