People think it's the vaccine that protects them... but it's SNOT - Mucosal Immunity in COVID-19: A Neglected but Critical Aspect of SARS-CoV-2 Infection User jorlev, in the Debate Vaccines subreddit, 24 Aug 2021
Mucosal Immunity in COVID-19: A Neglected but Critical Aspect of SARS-CoV-2 Infection User D-R-AZ, in the COVID-19 Discussion subreddit, 16 Dec 2020
Mucosal Immunity in COVID-19: A Neglected but Critical Aspect of SARS-CoV-2 Infection User smaskens, in the COVID-19 subreddit, 15 Dec 2020