Fully Vaccinated With Pfizer? You’re 6 to 13 Times More Likely to Get Delta Than Someone With Natural Immunity, Study Says, by Megan Redshaw

By the time all the vaccinations end, if they ever end, most people are going to wish they had just gotten sick and been done with it. From Megan Redshaw at childrenshealthdefense.org:

In the largest real-world observational study comparing natural immunity gained through previous SARS-CoV-2 infection to vaccine-induced immunity afforded by the Pfizer vaccine, people who recovered from COVID were much less likely than never-infected, vaccinated people to get Delta, develop symptoms or be hospitalized.

Natural immunity appears to confer longer lasting and stronger protection against SARS-CoV-2 infection, symptomatic disease and hospitalization from the Delta variant compared to Pfizer-BioNTech’s two-dose vaccine-induced immunity, according to a new Israeli preprint study.

The new data could play a key role in determining whether people who have previously had COVID need to receive both doses of Pfizer or Moderna vaccines, Science reported.

In the largest real-world observational study comparing natural immunity gained through previous SARS-CoV-2 infection to vaccine-induced immunity afforded by the Pfizer mRNA vaccine, people who recovered from COVID were much less likely than never-infected, vaccinated people to get Delta, develop symptoms or be hospitalized.

The study, published Aug. 25 on medRxiv, was conducted in one of the most highly vaccinated countries in the world using data from Maccabi Healthcare Services, which enrolls about 2.5 million Israelis, or about 26% of the population.

Researchers examined medical records of 673,676 Israelis 16 years and older — charting their infections, symptoms and hospitalizations between June 1 and Aug. 14, when the Delta variant predominated in Israel.

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