Shots: The US FDA has cleared the Elecsys pTau181 test to measure phosphorylated Tau 181 protein to help rule out Alzheimer’s-related amyloid pathology in individuals (≥55yrs.) Elecsys pTau181 was evaluated in a non-interventional study of 312 participants, showing 97.9% negative predictive value (NPV) in an early disease-stage, low-prevalence population Elecsys pTau217 is an in-vitro diagnostic…