Scientists have said the reason some people lose their sense of smell after contracting COVID19 could be down to genetics
Researchers at the genomics and biotechnology company 23andMe conducted the study as part of a larger COVID project, with 69,841 participants living in either the US or the UK.Of those who took part, 68% reported a loss of smell or taste as a symptom.
Both of these genes are expressed within tissue inside the nose involved in smell and play a role in metabolising odorants.
The study team also found people of"East Asian or African American ancestry were significantly less likely to report loss of smell or taste".
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