Important to dear doctors to diagnose loss of sense of smell, we attach to you some recent references that describe the changes caused by the Corona virus in the brain and the olfactory bulb using magnetic resonance. https://jamanetwork.com/journals/jamaneurology/fullarticle/2766765 https://link.springer.com/article/10.1007/s00234-020-02554-1 http://www.ajnr.org/content/early/ 2020/10/29/ajnr.A6921 https://www.researchgate.net/publication/340589144_Olfactory_Bulb_Magnetic_Resonance_Imaging_in_SARS-CoV-2-Induced_Anosmia_The_First_Report