The Research
Recent work by two British ENT surgeons Claire Hopkins and Nirmal Kumar observes that people with sudden isolated anosmia (lost sense of smell) seem to have a high probability of being infected by the Virus despite no other symptoms.
The Experiment
The #CovidSmellTest campaign will ask participants to self administer a simple smell test by sniffing common household objects. The aggregated data from tens of thousands of these tests could provide a marker for emerging COVID-19 disease clusters.
https://sniffoutcovid.org/
And an interesting article about it
https://www.bloomberg.com/opinion/ar...-s-project-now