CARLA K. JOHNSON AP Medical Writer Health officials now blame vitamin E acetate for the "vast majority" of cases in the U.S. outbreak of vaping illnesses and they say doctors should monitor patients more closely after they go home from the hospital. The Centers for Disease Control and Prevention announced the updated advice Friday. And, in a related move Friday, authorities investigating how patients obtained possibly tainted vape products said they have shut down 44 websites advertising the sale of illicit vaping cartridges containing THC. The new medical advice is based on a close look at about 3% of vaping illness patients who returned to the hospital after discharge and seven who died after hospital discharge. The study suggests that vaping illnesses can get worse, even deadly, afte
