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Scientists discover why Covid-19 leads to loss of smell

Jul 30, 2020 10:23 IST

Temporary loss of smell or anosmia is a common symtom of Covid-19. Experts have even found that it predicts Covid-19 better than other well-known symptoms like cough or fever. Researchers from Harvard Medical school have identified the cell types used for smelling that are most vulnerable to Covid-19. They found that while the sensory neurons responsible for detecting and transmitting the sense of smell aren't vulnerable to Covid-19, the virus attacks the cells supporting these olfactory neurons. According to Dr Sandeep Robert Datta, the co-author of the study, Covid-19 is unlikely to cause permanent loss of smell. However, more data is needed to confirm the findings of the study, which was published in the journal Science Advances.

Covid-19