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Dear Editor:
I would like to thank Yuce İslamoglu for the pertinent reference to the COVID-19 variant in our recent study testing the use of intra-nasal nitrilotriacetic acid trisodium salt to improve olfactory dysfunction in COVD-19 patients [1].
I carefully read the article by Yuce İslamoglu et al. which investigated the difference in nasal mucosal secretion between anosmic COVID-19 patients, dominant Wuhan COVID-19 variant and healthy subjects. The results showed that there was no difference between the groups [2].
References
Abdelazim MH, Abdelazim AH, Ismaiel WF et al (2022) Effect of intra-nasal nitrilotriacetic acid trisodium salt in lowering elevated calcium cations and improving olfactory dysfunction in COVID-19 patients. Eur Arch Otorhinolaryngol. https://doi.org/10.1007/s00405-022-07424-5
Islamoglu Y, Gemcioglu E, Ates I (2021) Objective evaluation of the nasal mucosal secretion in COVID-19 patients with anosmia. Ir J Med Sci 190:889–891
Hintschich CA, Niv MY, Hummel T (2022) The taste of the pandemiccontemporary review on the current state of research on gustation in coronavirus disease 2019 (COVID-19). Int Forum Allergy Rhinol 12:210–216
Butowt R, Bilińska K, von Bartheld C (2022) Why does the omicron variant largely spare olfactory function? implications for the pathogenesis of anosmia in coronavirus disease 2019. J Infect Dis jiac113. https://doi.org/10.1093/infdis/jiac113
Jansen L, Tegomoh B, Lange K et al (2021) Investigation of a SARS CoV-2 B.1.1.529 (Omicron) variant cluster-Nebraska, November-December 2021. MMWR Morb Mortal Wkly Rep 70:1782–1784
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Abdelazim, A.H. Effect of intra-nasal nitrilotriacetic acid trisodium salt in lowering elevated calcium cations and improving olfactory dysfunction in COVD-19 patients. Eur Arch Otorhinolaryngol 279, 4651 (2022). https://doi.org/10.1007/s00405-022-07540-2
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DOI: https://doi.org/10.1007/s00405-022-07540-2