Scientists discover how Covid disrupts sense of smell

Researchers identified for first time specific molecules which trigger parosmia, reports Tom Batchelor

Loss or change to sense of smell is one of the most common and recognisable symptoms of coronavirus (PA Archive)

A new study could explain why some people suffer a distorted sense of smell after catching Covid-19.

Researchers in the UK have identified for the first time specific molecules which trigger parosmia – a condition linked to coronavirus which can make infected people find certain smells revolting.

Loss or change to sense of smell is one of the most common and recognisable symptoms of coronavirus, alongside a new, continuous cough, a high temperature and altered taste.