immunization

(Newser) - The effectiveness of flu shots in the elderly has been highly exaggerated and the vaccination appears to have little impact on death rates among people over 70, according to a study published in the Lancet. The shots do help people under age 65, researchers concluded. The vaccinations are less effective...

(Newser) - Doctors now recommend that kids get a second dose of chickenpox vaccine, but a lot of wary parents are balking. A recent study concluded that the longer patients had gone since getting the first dose, the more likely they were to contract the pox, and the more likely that it...

(Newser) - Malcolm Gladwell, author of The Tipping Point and Blink, examines the premise underlying U.S. health insurance known by the Dickensian term: Moral Hazard. The theory of Moral Hazard describes the notion that insurance can change peoples’ behavior. Without deductibles, co-payments and other barriers to use, people will use too...