Kimchee, hot soup, and nose filters all figure in the search for understanding and containment of the Covid-19 pandemic. They figure especially highly in this newly published study:
“Assessment of Coronavirus disease, the nose pollution filter, fermented spicy Kimchee, and peppery hot soup consumed in Korea,” Y. S. Chung, Air Quality, Atmosphere & Health, vol. 14, 2021, pp. 785–791. (Thanks to Tom Gill for bringing this to our attention.)
HAVE PDF. GOOD FIGURE 4
https://link.springer.com/article/10.1007/s11869-021-01017-7