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No Point Vaccinating Those Who've Had COVID-19: Findings of Cleveland Clinic
Scientists from the Cleveland Clinic, USA, have recently evaluated the effectiveness of coronavirus disease 2019 COVID-19) vaccination among individuals with or without a history of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection.
The study findings reveal that individuals with previous SARS-CoV-2 infection do not get additional benefits from vaccination, indicating that COVID-19 vaccines should be prioritized to individuals without prior infection. The study is currently available on the medRxiv* preprint server.
The analysis of cumulative COVID-19 incidence revealed that during the course of the study, SARS-CoV-2 infection occurred almost exclusively in participants who were not previously infected and were not vaccinated.
Interestingly, no significant difference in COVID-19 incidence was observed between previously infected and currently unvaccinated participants, previously infected and currently vaccinated participants, and previously uninfected and currently vaccinated participants.
The participants from these three groups exhibited a significantly lower incidence of SARS-CoV-2 infection compared to previously uninfected and currently unvaccinated participants.
Specifically, of all infections during the study period, 99.3% occurred in participants who were not infected previously and remained unvaccinated. In contrast, only 0.7% of infections occurred in participants who were not previously infected but were currently vaccinated.
Importantly, not a single incidence of SARS-CoV-2 infection was observed in previously infected participants with or without vaccination.
With further statistical analysis, it was observed that the COVID-19 vaccination significantly reduced the risk of SARS-CoV-2 infection in previously uninfected participants but not in previously infected participants.
Although the study did not directly estimate the duration of protection from natural infection, it was observed that previously infected participants remained protected against COVID-19 for at least 10 months after the symptom onset or a positive test result.
originally posted by: network dude
I'll take "the science is what I say it is" for 200 Alex!
So, once again, I have to bring up the question: Why does Dr. Fauci and the CDC avoid talking about the immunity and antibodies that those of us have who have recovered from COVID-19? Why is our immunity of a lesser importance IF we are truly trying to come up with the best guidelines based on science?
originally posted by: RoScoLaz5
"The study findings reveal that individuals with previous SARS-CoV-2 infection do not get additional benefits from vaccination"
but they get to enjoy the risks from it.
originally posted by: SlapMonkey
... So, once again, I have to bring up the question: Why does Dr. Fauci and the CDC avoid talking about the immunity and antibodies that those of us have who have recovered from COVID-19? Why is our immunity of a lesser importance IF we are truly trying to come up with the best guidelines based on science? (Yes, I know that's a big "IF")
originally posted by: TheResidentAlien
Just a hunch:
#1 Pre-screening with Antibody tests would require far more (highly trained) medical personnel, massively increased number of labs, and would cost far more than simply vaccinating everyone.
#2 Natural Antibodies would appear to be strain dependent where the vaccine is not e.g. There's been cases of people being infected more than once by different strains where the vaccines appears to be reasonably effective at reducing the possibility of getting "bad" Covid across all strains.
Unfortunately we still don't know how long a vaccine will be effective for. Will those that got a dose in January need a new shot after 8 months (similar to antibodies) or they lose immunity ?
That's a lot more vaccines required and for a far longer period of time if we are truly going to open the world to pre-covid levels anytime soon.
originally posted by: YongPeng
If they don't vax, how can they sell money? It's all about the vax.
originally posted by: TheResidentAlien
Just a hunch:
#1 Pre-screening with Antibody tests would require far more (highly trained) medical personnel, massively increased number of labs, and would cost far more than simply vaccinating everyone and increase the timeframe significantly.
#2 Natural Antibodies would appear to be strain dependent where the vaccine is not e.g. There's been cases of people being infected more than once by different strains where the vaccines appears to be reasonably effective at reducing the possibility of getting "bad" Covid across all strains.
Unfortunately we still don't know how long a vaccine will be effective for. Will those that got a dose in January need a new shot after 8 months (similar to antibodies) or they lose immunity ?
That's a lot more vaccines required and for a far longer period of time if we are truly going to open the world to pre-covid levels anytime soon.