PORTLAND, Ore. (AP) — Public health officials in Oregon said Wednesday that a person who recently died of a severe respiratory illness had used an electronic cigarette containing marijuana oil from a legal dispensary, the second death linked to vaping nationwide and the first tied to a vaping product bought at a pot shop.

Officials have not determined what sickened the middle-aged adult, whether the product was contaminated or whether they may have added something to the liquid in the device after buying it, said Dr. Ann Thomas with the Oregon Health Authority.

Thomas declined to name the bran...