Corowell 1.0.4

Corowell offers a convenient, efficient, and cost-effective method for objectively screening a suspected COVID-19 symptom by assessing your sense of smell.

Corowell provides an easy, quick, and non-invasive process. Here's how it operates:

1. Scan the QR Code found within the Corowell Ticket (available separately).
2. Scratch the Scent Field.
3. Smell it.
4. Select the correct scent in the app.
5. Complete the Questionnaire.
6. Receive your Pass.

You can store the Corowell Pass in your Apple Wallet for swift presentation at any location offering the Corowell service.

Recent scientific data suggests that a majority of COVID-19-infected individuals experience a loss of smell (Anosmia) as an initial symptom, usually appearing within 1-3 days of infection.

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

“Olfactory dysfunction has been shown to be the strongest predictor of COVID-19 positivity when compared to other symptoms” (Rocke J, Hopkins C, Philpott C et al.)