News

  1. Health & Medicine

    Rwandan patients show unusual HIV

    Blood tests on people in Rwanda who have had HIV infections for years without symptoms of AIDS indicate that the viruses in these patients have rare mutations.

    By Nathan Seppa
  2. Health & Medicine

    Will new approach cure Chagas disease?

    Scientists may be able to disable the parasite that causes Chagas disease by targeting the enzyme it uses to make essential fats.

    By Nathan Seppa
  3. Health & Medicine

    Suppressive drug therapy hinders herpes

    A daily regimen of the antiviral drug valacyclovir controls genital herpes vastly better than does the same medication when used only to treat outbreaks of the disease.

    By Nathan Seppa
  4. Health & Medicine

    Ominous drug-resistance hints appear

    The first signs of partial resistance to an important class of drugs called quinolones have appeared in Haemophilus influenzae, a bacterium that can cause pneumonia and meningitis.