AP - Parts of Florida and Mexico were supplying "the vast majority" of tomatoes sold when the salmonella outbreak began in April and thus remain leading suspects, the Food and Drug Administration said Friday.

AP - Researchers at MIT believe they've discovered a new weapon in the battle against tuberculosis: Free cell phone minutes.

Reuters - German researchers say they have found some of the strongest evidence yet linking traffic pollution to childhood allergies.

AP - The toll from salmonella-tainted tomatoes jumped to 228 illnesses Thursday as the government learned of five dozen previously unknown cases and said it is possible the food poisoning contributed to a cancer patient's death.

Reuters - Pfizer may bid for Ranbaxy Laboratories, countering a $4.6 billion (2.4 billion pound) offer by Japan's Daiichi Sankyo for the Indian generic drug maker, the Business Standard newspaper said.