Obviously, having COVID-19 will generate both B and T cell immunity against many more targets than vaccines comprising a single component (the spike protein) of the virus. Why that wasn’t obvious to the medical establishment is beyond me. And it would pose a fundamental challenge to the singular emphasis on vaccine passports for travel and large events, if unvaccinated people who have already had Covid actually pose less of a risk. ![]() However it would weaken the case for vaccinating children, despite the programme being confirmed in the UK today, as they (and the people around them) would get superior future protection from contracting the disease. It would not undermine the importance of vaccination for more vulnerable groups in society. If the findings are confirmed, the implications for global Covid policy will be profound. Critics including British immunologist Andrew Croxford have pointed out potential limitations, but it has been described by infectious diseases expert Professor Francois Balloux as a “bombshell” development. The study is only published as a preprint at this stage and has not been peer reviewed. “This study demonstrated that natural immunity confers longer lasting and stronger protection against infection, symptomatic disease and hospitalisation caused by the Delta variant,” the authors conclude. They found that fully vaccinated but uninfected people were significantly more likely to have a “breakthrough” Covid infection than people who had previously been infected and recovered from the disease. ![]() Like what you’re reading? Get the free UnHerd daily email Researchers at Maccabi Healthcare and Tel Aviv University compared the outcomes of over 76,000 Israelis in three groups: the doubly vaccinated (with the Pfizer vaccine), the previously infected but unvaccinated, and the previously infected with only a single vaccine dose. If the findings are confirmed, the implications for Covid policy will be profoundĪ major study conducted by Israeli researchers into natural immunity has found that immunity acquired via infection from Covid-19 is superior to immunity from the Pfizer vaccine. Chart11:20 ‘Bombshell’ study finds natural immunity superior to vaccination
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