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COVID Outbreak Sparked By Fully Vaccinated Patient Challenges Vaccine-Induced Herd Immunity Theory
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A paper published Sept. 30 in Eurosurveillance raises questions about the legitimacy of “vaccine-generated herd immunity.”
The study cites a COVID outbreak which spread rapidly among hospital staff at an Israeli Medical Center — despite a 96% vaccination rate, use of N-95 surgical masks by patients and full personal protective equipment worn by providers.
The calculated rate of infection among all exposed patients and staff was 10.6% (16/151) for staff and 23.7% (23/97) for patients, in a population with a 96.2% vaccination rate (238 vaccinated/248 exposed individuals).
The paper noted several transmissions likely occurred between two individuals both wearing surgical masks, and in one instance using full PPE, including N-95 mask, face shield, gown and gloves.
Of the 42 cases diagnosed in the outbreak, 38 were fully vaccinated with two doses of Pfizer and BioNTech’s Comirnaty vaccine, one had received only one vaccination and three were unvaccinated.
Of the infected, 23 were patients and 19 were staff members. The staff all recovered quickly. However, eight vaccinated patients became severely ill, six became critically ill and five of the critically ill died. The two unvaccinated patients tracked had mild COVID cases.
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To determine the source of the outbreak, researchers conducted phylogenetic analysis on the whole-genome SARS-CoV-2 sequences that were available for 12 cases in the outbreak, including staff and patients from Wards A, B and C and dialysis departments.
All were infected with the Delta variant and epidemiologically and phylogenetically connected to the same outbreak, except for one case. That case and three staff members were not considered part of the outbreak.
“This is a very interesting paper and it is scientifically very sound,” said Dr. Brian Hooker, Ph.D., P.E., Children’s Health Defense chief scientific officer and professor of biology at Simpson University.
“The breakthrough rate of 96.2% of the vaccinated population shows that in this instance, the vaccine was virtually useless in preventing transmission,” Hooker said. “It should also be noted the two reported cases among unvaccinated patients were mild, whereas six of the vaccinated patients died.”
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The head of BioNTech — the German company that co-developed a COVID vaccine with Pfizer — said a new formula will likely be needed by mid-2022 to protect against future mutations of the virus.
According to Bloomberg, Ugur Sahin, co-founder and CEO of BioNtech, told the Financial Times that while current COVID vaiants, such as the contagious Delta strain, were not different enough to undermine current vaccinations, new strains will emerge that can evade booster shots and the body’s immune defenses.
“This year [a different vaccine] is completely un-needed, but by mid-next year, it could be a different situation,” Sahin said. “This is a continuous evolution, and that evolution has just started.”
According to a new pre-print study submitted for peer review, Pfizer/BioNTech vaccine antibodies disappear in many by seven months.
Six months after receiving the second dose of Pfizer’s two-shot vaccine, many recipients no longer have vaccine-induced antibodies that can immediately neutralize worrisome SARS-CoV-2 variants,
https://conservativeplaybook.com/20...llenges-vaccine-induced-herd-immunity-theory/
