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Paper Details

Etiopathogenesis and Prognosis of Altered Taste and Smell Sensation in Covid 19 Patients

Etiopathogenesis and Prognosis of Altered Taste and Smell Sensation in Covid 19 Patients

Rashmi Nambiar, Sumit Sharma and Suvarna Sharma

Journal Title:Acta Scientific Otolaryngology

Altered taste and smell sensation is being reported commonly in Covid patients. Human strains of corona virus have been dem-onstrated to invade the central nervous system through the olfactory neuroepithelium and propagate from within the olfactory bulb. Nasal epithelial cells display the highest expression of the SARS-CoV-2 receptor, angiotensin converting enzyme 2, in the respiratory tree. The condition is more commonly associated in patients with mild disease. Initially there were concerns that the virus can reach the brain through olfactory bulb but post-mortem studies of people who had had COVID-19 have shown that the virus rarely reaches the brain. According to the OLFACAT survey, loss of smell, either hyposmia or anosmia was seen in virtually 2 hundredth of the Eu-ropean general population. Loss of smell is taken into account to possess a major impact on quality of life. The article is aimed to summaries the Incidence; causes and recovery pattern of the Covid associated altered taste and smell sensation. WE concluded that Anosmia may be thought to be an unknown neurologic symptom in COVID-19. Within the early stage of the disease anosmia and ageusia appear to be a part of vital symptoms and clues for diagnosing COVID-19. The acute onset of loss smell and loss of taste appear to be the vital symptom of SARS Cov-2 which may improve at an interval of 3 weeks. Keywords: Altered Taste; Altered Smell; Covid 19 Patients