Here's an objective look at the latest science investigating the durability of immunity from prior infection plus results from serially testing antibodies after contracting COVID-19 in December of 2020.

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Links to resources and references: https://bit.ly/305VoS4

Time Stamps:

0:09 New CDC Study
1:07 Big Picture Overview
1:41 Antibodies 11 months later
3:05 CDC Study results differ from other data
3:26 T cell immunity
4:09 Innate VS Adaptive Immunity
5:05 Spanish Flu survivors have Abs 90 years later
5:50 Blood Work MasterClass Live
6:38 Testing Antibodies: how to do it
7:21 Why do we ignore prior infection
9:00 Number Needed to Treat in prior immunity VS Vaccine
9:58 Israel Data on reinfection rates
10:55 Cleveland Clinic study of 50,000
11:17 UCLA study of 6,000
12:11 Systemic Review of multiple studies o
13:30 Podcast recap

References:

Centers for Disease Control and Prevention. (2021). Laboratory-Confirmed COVID-19 Among Adults Hospitalized with COVID-19–Like Illness with Infection-Induced or mRNA Vaccine-Induced SARS-CoV-2 Immunity — Nine States, January–September 2021, 1–6.

RESEARCH NEWS: Antibodies To 1918 Flu Found In Elderly Survivors https://www.npr.org/templates/story/story.php?storyId=93675590
BMJ, J. B.,. (2021). Vaccinating people who have had covid-19: why doesn't natural immunity count in the US? Bmj.com. http://doi.org/10.1136/bmj.n2101&domain=pdf&date_stamp=13-9-2021

Shenai, M. B., Rahme, R., & Noorchashm, H. (2021). Equivalency of Protection From Natural Immunity in COVID-19 Recovered Versus Fully Vaccinated Persons: A Systematic Review and Pooled Analysis. Cureus, 13(10). http://doi.org/10.7759/cureus.19102
Kojima, N. (2021). Necessity of COVID-19 Vaccination in Previously Infected Individuals: A Retrospective Cohort Study, 1–22. http://doi.org/10.1101/2021.06.01.21258176

Kojima, N. (2021). Incidence of Severe Acute Respiratory Syndrome Coronavirus-2 infection among previously infected or vaccinated employees, 1–11. http://doi.org/10.1101/2021.07.03.21259976
Kojima, N., Health, N. S. E. T.,. (2021). A Systematic Review of the Protective Effect of Prior SARS-CoV-2 Infection on Repeat Infection. Journals.Sagepub.com. http://doi.org/10.1177/01632787211047932