"The proof of the fitting is in the tasting… if you can taste the bitter solution that's sprayed, that's a failed test. The solution is sprayed in close proximity to a masked person, and a well-fitted mask should prevent the solution from entering the person's mouth and nose."--Contributed by Shyamala Thilagaratnam, as part of the "Documenting COVID-19 in Singapore" collection community call.
All rights reserved. Shyamala Thilagaratnam, 2020