Natural Immunity vs. Immunity Through Vaccination Against COVID-19
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A new pre-print study (yet to be peer-reviewed) conducted by researchers at Maccaibi Healthcare Services, Samson Assuta Ashdod University Hospital, and Tel Aviv University, found that people with natural immunity (those who have previously been infected and then recovered) to COVID-19 would be 13 times less likely to contract the respiratory virus than those who (received two jabs of Pfizer-BioNTech shot) were solely vaccinated against the disease. Those with natural immunity gained greater protection against the delta variant and breakthrough infection.
There were three groups in the study: 673,676 individuals who were fully vaccinated with the Pfizer-BioNTech vaccine and with no prior exposure to SARS-CoV-2; 62,883 unvaccinated individuals who recovered from COVID-19; and 42,099 individuals with prior SARS-CoV-2 infection and who had received a single vaccine dose. Vaccinated individuals with no prior exposure to SARS-CoV-2 had a 13.06-fold increased risk of becoming infected with the Delta variant. In addition, there was a 27-fold elevated risk for symptomatic COVID-19 infection. Additionally, vaccinated individuals showed a greater risk of requiring hospitalization from a breakthrough infection than unvaccinated individuals with natural immunity. People with a single vaccine dose and who previously recovered from infection seemed to have more protection against Delta than unvaccinated people with natural immunity. The study focused mainly on the Delta variant, which has become widespread in many countries, including Israel. Because Delta was most prevalent during the study, the findings cannot evaluate how natural immunity protects against other SARS-CoV-2 variants.
There were no COVID-19-related deaths observed in all three groups.
The research team followed up with study participants from June 1 to August 14, 2021. The follow-up period occurred when the Delta variant was common in Israel.
Excerpt from this study is in italics, below:
Results SARS-CoV-2-naïve vaccinees had a 13.06-fold (95% CI, 8.08 to 21.11) increased risk for breakthrough infection with the Delta variant compared to those previously infected, when the first event (infection or vaccination) occurred during January and February of 2021.
Conclusions This study demonstrated that natural immunity confers longer lasting and stronger protection against infection, symptomatic disease and hospitalization caused by the Delta variant of SARS-CoV-2, compared to the BNT162b2 two-dose vaccine-induced immunity. Individuals who were both previously infected with SARS-CoV-2 and given a single dose of the vaccine gained additional protection against the Delta variant.
Kim Iversen makes the case for rethinking COVID-19 immunity after a new report appears to cast doubt on the immuno-response of vaccine immunity, in the video Aug. 30, 2021, “Kim Iversen: BOMBSHELL Report Suggests Natural Immunity Triggers Better Response Against COVID“, below:
One of the most significant questions about the novel coronavirus is whether people who are infected are immune from reinfection and, if so, for how long, in the video published on Oct. 13, 2020, “Antibodies Shown to Provide Lasting Immunity Against COVID-19“, below:
he concept of herd immunity has sparked debate about whether it would control the spread of COVID-19. Herd immunity happens when a sufficient proportion of a population is immune to an infectious disease, meaning spread from person to person is unlikely, in the video published on July 30, 2020, “Mayo Clinic Q&A: Herd immunity, antibodies and COVID-19” below:
UK, (England), Risk of thrombocytopenia and thromboembolism after covid-19 vaccination and SARS-CoV-2 positive testing: self-controlled case series study, in the video published on Sep. 2, 2021, “Risks following infection versus vaccination“, below:
Risk of thrombocytopenia and thromboembolism after covid vaccination is much lower than actually being infected by COVID-19.
In the research study, Risk of thrombocytopenia and thromboembolism after covid-19 vaccination and SARS-CoV-2 positive testing: self-controlled case series study, summarized, in italics, below:
Objective To assess the association between covid-19 vaccines and risk of thrombocytopenia and thromboembolic events in England among adults.
Conclusion Increased risks of haematological and vascular events that led to hospital admission or death were observed for short time intervals after first doses of the ChAdOx1 nCoV-19 and BNT162b2 mRNA vaccines. The risks of most of these events were substantially higher and more prolonged after SARS-CoV-2 infection than after vaccination in the same population.
UK, (England), Risk of thrombocytopenia and thromboembolism after covid-19 vaccination and SARS-CoV-2 positive testing: self-controlled case series study, in the video published on Sep. 2, 2021, “Risks following infection versus vaccination“, below:
In this video, I will talk about COVID 19 immunity research. Are you immune to the COVID-19 virus without even having it? Let us talk about the very real possibility of this. Coronaviruses are some of the viruses that cause the common cold. Many people have been exposed to these viruses in the past. Will this mean that there will be some degree of immunity to COVID-19 because people have had exposure? Let us find out. I will review a recent study looking at T cell recognition of the novel coronavirus, SARS-CoV-2 that causes COVID-19, in patients who have never had the virus. At the end of the video 5:28 there is a short segment on a hamster mask study you will not want to miss! In the video published on Sep. 11, 2020, “COVID 19 Immunity Research. You could be IMMUNE to COVID“, below:
It does appear as though the best defense against COVID-19 (all variants, esp. Delta variant) is to acquire natural immunity safely, being vaccinated, wearing mask and practicing social distancing in public and washing hands frequently.
Gathered, written, and posted by Windermere Sun-Susan Sun Nunamaker More about the community at www.WindermereSun.com
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