Tag: Norman Letvin

  • Health

    Mutation reported with AIDS vaccine

    Researchers are working feverishly to develop an effective vaccine against the AIDS virus. Various vaccines have been tested. One of the more promising vaccine trials involved eight monkeys. When one of the monkeys died because of an AIDS virus mutation that overwhelmed the monkey’s immune system, some people were dismayed. However, researchers in the field…

    1–2 minutes
  • Health

    New vaccines could balance global burden of disease

    The scientific community believes that diseases that have long plagued the world can be controlled by vaccination. But vaccines won’t work unless they reach the people who need them most — and that means mostly people in poor countries. In two articles in the Journal of the American Medical Association, Harvard School of Public Health…

    1–2 minutes