Clinical & Scientific Report and References

Clinical & Scientific Evidence

Clinical Literature Review

Scientific & Clinical Advisory Board

Clinical Field Testing ongoing

COVID-19 Symptoms and Predictors


(starts from day 5-6)


(starts from day 5-6)

New loss of taste or smell

(starts from day 1-3)

Muscle aches

(starts from day 5-6)

Vomiting or diarrhea

(starts from day 5-6)

„The occurrence of olfaction dysfunction with COVID-19 is demonstrated to be frequent, respectively from (…) 86% of cases.“ 1

„Olfactory dysfunction has been shown to be the strongest predictor of COVID-19 positivity when compared to other symptoms“ 2

1 Yan CH, Faraji F, Prajapati DP et al. Association of chemosensory dysfunction and Covid-19 in patients presenting with influenza-like symptoms. Int Forum Allergy Rhinol 2020;10(7):806-813.

2  Rocke J, Hopkins C, Philpott C et al. Is loss of smell a diagnostic marker in COVID-19: A systematic review and meta-analysis. Clin Otolaryngol 2020 Aug 1: 10.1111/coa.13620. doi: 10.1111/coa.13620.