Research articles

A collection of published research into olfaction and olfactory disorders

This library of information underpins everything AbScent says and does.

Scientific research provides the evidence that informs best practice in medicine and patient care. Exploring the research and developing a deeper understanding of your condition can be helpful, but you need to be sure of the source. Journals published in scientific journals go through rigorous checks before they are accepted for publication.

Research Round-up

Highlights from the latest published research papers, brought to you by the AbScent Team.

Read for yourself

Selected research papers and abstracts.

Research archives


  • Lucidi D, Molinari G, Silvestri M, Patient-reported olfactory recovery after SARS-CoV-2 infection: A 6-month follow-up study, Int Forum Allergy Rhinol. 2021 Feb 4. doi: 10.1002/alr.22775. Online ahead of print.

  • Liu DT, Pellegrino R, Sabha M, Aytug A, Damm M, Poletti SC, Croy I, Hohner A, Oleszkiewicz A, Mandy C, Hummel T. Factors associated with relevant olfactory recovery after olfactory training: a retrospective study including 601 participants. Rhinology, 01 Feb 2021, 59(1):91-97

  • Boscolo-Rizzo P, Menegaldo A, Fabbris C, et al, High prevalence of long-term psychophysical olfactory dysfunction in patients with COVID-19, preprint

  • Borsetto D, Hopkins C, Philips V, Obholzer R, TirelliG, Polesel J, Boscolo-Rizzo P, Self-reported alteration of sense of smell or taste in patients with COVID-19: a systematic review and meta-analysis on 3563 patients, Rhinology. 2020 Oct 1;58(5):430-436.

  • Boscolo-Rizzo P, Polesel J, Spinato G, Menegaldo A, Fabbris C, Calvanese L, Borsetto D, Hopkins C, Predominance of an altered sense of smell or taste among long-lasting symptoms in patients with mildly symptomatic COVID-19, Rhinology. 2020 Oct 1;58(5):524-525.

  • Saussez S, Lechien JR , Hopkins C, Anosmia: an evolution of our understanding of its importance in COVID-19 and what questions remain to be answered, Eur Arch Otorhinolaryngol. 2020 Sep 9 : 1–5

  • Lechien J R, Chiesa-Estomba C M, Place S, et al, Clinical and epidemiological characteristics of 1420 European patients with mild-to-moderate coronavirus disease 2019, J Intern Med. 2020 Sep;288(3):335-344.

  • Hopkins C, Alanin M, Philpott C, Harries P, Whitcroft K, Qureishi A, Anari S, Ramakrishnan Y, Sama A, Davies E, Stew B, Gane S, Carrie S, Hathorn I, Bhalla R, Kelly C, Hill N, Boak D, Kumar B N, Management of new onset loss of sense of smell during the COVID‐19 pandemic ‐ BRS Consensus Guidelines, Clinical Otaolaryngology, August 27, 2020

  • Radulesco T, Lechien J R, Saussez S, Hopkins C, Michel J, Safety and Impact of Nasal Lavages During Viral Infections Such as SARS-CoV-2, Ear Nose Throat J. 2020 Aug 27: 0145561320950491.

  • Boscolo-Rizzo P, Borsetto D, Fabbris C, et al, Evolution of Altered Sense of Smell or Taste in Patients With Mildly Symptomatic COVID-19, JAMA Otolaryngol Head Neck Surg. 2020 Jul 2;146(8):729-732.

  • Galougahi M K, MD, Ghorbani J, MD, Bakhshayeshkaram M, MD, Naeini A S, MD, Haseli, S, Olfactory Bulb Magnetic Resonance Imaging in SARS-CoV-2-Induced Anosmia: The First Report, Journal of Academic Radiology, April 13, 2020​​​​​​

  • Yan C, MD,  Faraji F, MD PhD, Prajapati D, BS, DeConde A, MD, Boone C, MD PhD, Association of chemosensory dysfunction and Covid‐19 in patients presenting with influenza‐like symptoms, Allergy and Rhinology, April 12, 2020
  • Mao L , Jin H, Wang M, Hu Y, Chen S, He Q, Chang J, Hong C, Zhou Y, Wang D, Miao X, Li Y, MD PhD,  Hu B, MD PhDNeurologic Manifestations of Hospitalized Patients With Coronavirus Disease 2019 in Wuhan, China, JAMA Neurology, April 10, 2020
  • Eliezer M MD; Hautefort C MD; Hamel A MD; Verillaud B MD; Herman P MD, PhD; Houdart E MD, PhD; Eloit C MD Sudden and Complete Olfactory Loss Function as a Possible Symptom of COVID-19, JAMA Otolaryngol Head Neck Surg. Published online April 8, 2020. doi:10.1001/jamaoto.2020.0832
  • Lechien J, Chiesa-Estomba C, Saussez S, Olfactory and gustatory dysfunctions as a clinical presentation of mild-to-moderate forms of the coronavirus disease (COVID-19): a multicenter European study, Rhinology, April 6, 2020
  • Gane S, Kelly C, Hopkins C Isolated sudden onset anosmia in COVID-19 infection. A novel syndrome? Rhinology, March 29, 2020
  • Bagheri S, Asghari A,  Farhadi M, Shamshiri A, Kabir A, Kamrava S, Jalessi M, Mohebbi A, Alizadeh R, Honarmand A, Ghalehbaghi B, Salimi A, Coincidence of COVID-19 epidemic and olfactory dysfunction outbreak, MedRxiv Preprint March 23, 2020

Smell Training

Olfactory Function and Well-being