Our immune system is complex and multi-faceted. There are the first troops deployed which are the antibodies deployed by the B-Cells, then there are the long term guardians who stay indefinitely which are the T-cells. Here are some articles I read today describing this long term defense against COVID-19.
https://www.dailymail.co.uk/news/article-8534713/Hopes-long-lasting-Covid-19-immunity-scientists-believe-T-cells-years.html
https://www.bbc.com/future/article/20200716-the-people-with-hidden-protection-from-covid-19
https://www.cnbc.com/2021/07/28/vaccine-effectiveness-for-delta-immune-system-explained.html?fbclid=IwAR0JZY8V2hNYRkBd-BZbI9VDkP-6dIk6Kp0HBC7xncyjZoYAyoOMcsnQO7w
https://www.theguardian.com/commentisfree/2020/jun/25/viral-immunologist-antibody-tests-covid-19-immuity-coronavirus
https://www.nature.com/articles/s41586-020-2550-z
https://childrenshealthdefense.org/defender/scientists-challenge-health-officials-on-vaccinating-covid/?utm_source=salsa&eType=EmailBlastContent&eId=f9f42235-fc83-4837-a2e2-c8362cc97140
https://elemental.medium.com/theres-good-news-about-your-immune-system-and-the-coronavirus-7d2c1fc976c1
