The variant was 27 times more likely to break through Pfizer protection from January-February and cause symptoms than it was to penetrate natural immunity from the same period
Natural immunity from contracting coronavirus provided Israelis with longer-lasting protection against the Delta variant than two shots of the Pfizer vaccine given early this year, new Israeli research suggests.
The study by Maccabi Healthcare Service looked at individuals who had either gotten two shots of the vaccine by the end of February or tested positive for COVID-19 by that time.
It compared 46,035 Maccabi members who caught the coronavirus at some point during the pandemic and the same number of double-vaccinated people.
People who had two vaccine shots had a six-fold higher chance of getting infected with Delta than patients who hadn’t been vaccinated but previously contracted the coronavirus, according to the research.
The study, published online but not yet peer reviewed, is the largest of its kind. It doesn’t take booster shots — now widely given in Israel — into account, but given that most of the world is still giving a two-dose regimen, has international relevance.
In the two groups, there were 748 cases of SARS-CoV-2 breakthrough infections, 640 of which were in the vaccinated group and 108 in the previously infected group, which was relying on natural immunity alone.
The vaccine-dependent people had a seven-fold higher chance of symptomatic infection, and a 6.7-fold higher chance of being hospitalized.
In addition, a sample of 16,215 who were infected during Israel’s third wave in January-February 2021 was compared to an equal number of people vaccinated during that period. The contrast for these two groups was even starker: It showed that Delta had a 27-fold higher chance of breaking through vaccine protection from January and February and causing symptoms than breaking through natural immunity acquired in the same period and causing symptoms.
The study also found that when recovered patients boosted their natural protection with a single vaccine shot — as recommended by Israeli health officials — their protection reached new highs, and they had approximately half the infection risk of other recovered patients.
Full article here:
https://www .timesofisrael .com/study-covid-recovery-gave-israelis-longer-lasting-delta-defense-than-vaccines/
How many hundreds of millions of double and triple vaxxed people are walking around with the false assumption that they’re no longer infectious?
Is it time to sue the people who lobby congress on Pfizer’s behalf? How about MSNBC? Can we sue them?
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