These patients could be hidden carriers and a source of rapid spread of COVID 19. Anosmia during viral rhinitis with nasal obstruction usually resolves within three days. The researchers from France and Belgium can’t explain why anosmia indicates a better prognosis for COVID-19. Anosmia, also known as smell blindness, is the loss of the ability to detect one or more smells. As a result, this information highlights the importance for healthcare personnel to employ full PPE and in turn help Originally, the main focus concerning symptoms was on coughing and fever, but a loss of senses has proven to hold a significant part in detecting who has the virus. Anosmia can also affect your sense of taste as these two senses are very closely linked. The British Rhinological Society Profession and the British Association of Otorhinolaryngology partnered up to look into coronavirus cases overseas. Our research group has previously showed olfactory cleft width as a risk factor for COVID-19 related anosmia [19, 20]. Yan CH and colleagues from University of California San Diego observed that patients with anosmia were less likely to require hospitalization and that COVID-19 resolved together with the resolution of anosmia [26]. One of the entry routes of SARS-CoV-2 is the nasal epithelium. Research suggests SARS-CoV-2 infection can trigger an aberrant immune response in some individuals, causing inflammatory nerve damage leading to anosmia and neuropathy. COVID-19 infection There is new evidence for the loss of smell as a symptom of COVID-19 infection. Coronavirus symptoms commonly associated with the virus are a new continuous cough and fever and now there’s been an update. Patients who were hospitalized for COVID-19 treatment were significantly less likely to report anosmia or loss of smell (26.9 percent compared to 66.7 percent for COVID-19-infected persons treated as outpatients). Olfactory cleft width is an important parameter affecting olfaction . COVID-19 observational studies should include data to further investigate this as there is a need for rapid data sharing and analyses to better understand the course of the disease. A number of chemosensory disorders result in the diminishment, distortion or complete loss of smell or taste functions. Among patients with non-severe COVID-19 and no risk factors for severe disease receiving a single 400 mcg/kg dose of ivermectin within 72 h of fever or cough onset there was no difference in the proportion of PCR positives. We analysed whether anosmia predicts in-hospital mortality; and if patients with anosmia have a different clinical presentation, inflammatory response, or disease severity. Most were outpatients diagnosed with mild-to-moderate symptoms, while others were hospitalized with severe or critical covid-19. This possibility of physical obstruction (conductive olfactory loss) was initially considered a likely explanation of the anosmia in COVID-19 (Eliezer and others 2020; Gane and others 2020; Qiu and others 2020), but has now been all but ruled out by several studies, primarily because a large fraction (nearly 60%, von Bartheld and others 2020) of patients with anosmia do not have nasal congestion, … Anosmia in COVID-19 patients may be an indicator of COVID-19 prognosis. SUMMARY: Patients with coronavirus disease 2019 (COVID-19) may have symptoms of anosmia or partial loss of the sense of smell, often accompanied by changes in taste. Anosmia, which may be associated with the loss of taste, has been observed in European cases and seems to be a more specific symptom of COVID-19. 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