Olfactory dysfunction is a hallmark symptom of COVID-19 disease resulting from the SARS-CoV-2 virus. Persistent olfactory dysfunction from COVID-19, in the form of hyposmia and parosmia (decreased or altered smell) may affect as many as 15 million people worldwide. Leslie Kay discusses why the epidemic of olfactory dysfunction is a continuing public health concern.
Image courtesy of interviewee
