ArticleCommunications medicine2022
An olfactory self-test effectively screens for COVID-19.
Article in Communications medicine, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 17 citations in OpenAlex.
- Demographic and geographical determinants of human olfactory perception of 909 individuals inhabiting 16 regions.iScience · 2025Article
- Olfactory perceptual fingerprints of people with olfactory dysfunction and healthy controls.Laryngoscope investigative otolaryngology · 2024Article
- Using SCENTinel® to predict SARS-CoV-2 infection: insights from a community sample during dominance of Delta and Omicron variants.Frontiers in public health · 2024Article
- Transient loss and recovery of oral chemesthesis, taste and smell with COVID-19: A small case-control series.Physiology & behavior · 2023Article
- Self-assessment of olfactory function using the "Sniffin' Sticks".European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2023Article
- Text-based predictions of COVID-19 diagnosis from self-reported chemosensory descriptions.Communications medicine · 2023Article
- Covid-19 affects taste independently of smell: results from a combined chemosensory home test and online survey from a global cohort (N=10,953).medRxiv : the preprint server for health sciences · 2023Article
- Persistent olfactory learning deficits during and post-COVID-19 infection.Current research in neurobiology · 2023Article
- Covid-19 affects taste independent of taste-smell confusions: results from a combined chemosensory home test and online survey from a large global cohort.Chemical senses · 2023Article
- A quick test to objectify smell and taste dysfunction at home: a proof of concept for the validation of the chemosensory perception test.Chemical senses · 2023Article
- Massively collaborative crowdsourced research on COVID19 and the chemical senses: Insights and outcomes.Food quality and preference · 2022Article
- Loss of olfactory sensitivity is an early and reliable marker for COVID-19.Chemical senses · 2022Article
- COVID-19 pandemic: different roles for scientific publications and funding face to epidemiological data-an European, country-based perspective.Clinical and molecular allergy : CMA · 2021Article
Corrections and comments
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Authors and funding
29 authors at 14 institutions in 10 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Key to curtailing the COVID-19 pandemic are wide-scale screening strategies. An ideal screen is one that would not rely on transporting, distributing, and collecting physical specimens. Given the olfactory impairment associated with COVID-19, we developed a perceptual measure of olfaction that relies on smelling household odorants and rating them online. Methods: Each participant was instructed to select 5 household items, and rate their perceived odor pleasantness and intensity using an online visual analogue scale. We used this data to assign an olfactory perceptual fingerprint, a value that reflects the perceived difference between odorants. We tested the performance of this real-time tool in a total of 13,484 participants (462 COVID-19 positive) from 134 countries who provided 178,820 perceptual ratings of 60 different household odorants. Results: We observe that olfactory ratings are indicative of COVID-19 status in a country, significantly correlating with national infection rates over time. More importantly, we observe indicative power at the individual level (79% sensitivity and 87% specificity). Critically, this olfactory screen remains effective in participants with COVID-19 but without symptoms, and in participants with symptoms but without COVID-19. Conclusions: The current odorant-based olfactory screen adds a component to online symptom-checkers, to potentially provide an added first line of defense that can help fight disease progression at the population level. The data derived from this tool may allow better understanding of the link between COVID-19 and olfaction.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.