Alzheimer's disease can apparently be transmissible - under very rare circumstances. A research team from London claims to have shown that Alzheimer's can be transmitted.
However, one expert finds this assessment “premature’. Two of the patients have had intellectual disabilities since childhood, “which are associated with an increased likelihood of early onset of early dementia’’ The study leader immediately gives the all-clear: “There is no evidence that Alzheimer’s disease can be. transmitted from person to person during activities of daily life or during routine medical care"