Covid-19 outbreak: does the use of a surgical mask impact the sense of smell?

Background: The current context of Covid-19 pandemic has broadened mask use.

Objectives: Evaluate the impact of wearing a surgical mask on sense of smell by comparing the results of sniffin' sticks test (SST) with and without a surgical mask and evaluate the feasibility of practicing SST with a mask.

Material And Methods: A crossover prospective comparative study between two groups of volunteers.