Reuters - Three Chinese dairy companies have publicly apologized for their involvement in a toxic milk scandal that has killed at least four children and led to Chinese-made products pulled from shelves around the world.

Reuters - A global AIDS vaccine conference this week will seek fresh strategies against the HIV virus, with experts weighing the value of basic laboratory research against large-scale human clinical trials after a string of disappointments.

AP - When Indonesia's health minister stopped sending bird flu viruses to a research laboratory in the U.S. for fear Washington could use them to make biological weapons, Defense Secretary Robert Gates laughed and called it "the nuttiest thing" he'd ever heard.