https://russian.lifeboat.com/blog/2021/09/identification-of-resident-memory-cd8-t-cells-with-functional-specificity-for-sars-cov-2-in-unexposed-oropharyngeal-lymphoid-tissue Safeguarding Humanity Wed, 15 Sep 2021 19:22:22 +0000 hourly 1 https://wordpress.org/?v=5.8.1