31/12/1969 :CDC uses shopper-card data to trace salmonella
(AP)
(science) : AP - As they scrambled recently to trace the source of a salmonella outbreak that has sickened hundreds around the country, investigators from the Centers for Disease Control and Prevention successfully used a new tool for the first time — the shopper cards that millions of Americans swipe every time they buy groceries.
31/12/1969 :Hoped-for drop in childbirth deaths not happening
(AP)
(health) : AP - Eleven days after her son Benjamin's birth by C-section, Linda Coale awoke in the middle of the night in pain, one leg badly swollen. Just as her doctor returned her phone call asking what to do, she dropped dead from a blood clot.