Are stethoscopes risky in COVID-19?

A stethoscope is an extensively used piece of medical equipment for the doctors, nurses, physiotherapists and other allied professionals. Stethoscopes spread of infection between patients and between users,1 2 and a patient-specific stethoscope has also been recommended. However, adherence to stethoscope cleaning by the medical professionals is low.2 \n\nThe Littmann classic III stethoscope has a detachable rubber ear tip piece that fits the external ear. To avoid transmitting infection, the bell and diaphragm can be cleaned with alcohol, and the plastic ear tip piece can be detached for thorough cleaning although it is not alcohol resistant. Only one size ear tip piece is available for all stethoscope …