While investigating the anthrax missteps, the CDC learned of another glaring mistake involving a different set of scientists who had cross-contaminated a benign strain of bird flu with a deadly ...

The CDC is strengthening lab-safety rules following 3 scares in 3 months. ... One incident in 2006 occurred at the same lab where the recent problem with anthrax samples occurred.

The votes on vaccine recommendations are the first move by the panel after Health and Human Services Secretary Robert F.