Study: Natural Immunity 97% Effective Against Severe COVID After 14 Months

  • A study has found that natural immunity following COVID-19 infection provides protection against severe illness that is superior to that imparted by the COVID vaccines.
  • Researchers revealed they found people who survived COVID-19 infection, and were not vaccinated, had outstanding protection against severe COVID disease or death from COVID, says a preprint article published at MedRxiv.
  • “Effectiveness of primary infection against severe, critical, or fatal COVID-19 reinfection was 97.3% … irrespective of the variant of primary infection or reinfection, and with no evidence for waning,” the researchers noted. “Similar results were found in sub-group analyses for those ≥50 years of age.”


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