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  1. Apr 18, 2019 · Four of the studies were done in people from areas where yellow fever virus circulates, finding that 97.6% of them had detectable neutralizing antibodies 10 years after vaccination. But in the other five studies, from areas with little or no yellow fever, only 83.7% of vaccinated people had those signs of immunity.

  2. Nov 21, 2023 · Our study showed that natural immunity offers stronger and longer-lasting protection against infection, symptoms, and hospitalization compared to vaccine-induced immunity.

    • Anneli Uusküla
  3. Oct 25, 2022 · On the other hand, it was demonstrated that the protection against contagion provided by vaccinations is both inferior and less lasting than the protective effect of the natural immunity after COVID-19 . More specifically, the authors have also noticed that natural immunity does not vanish at least in the 10 months following the primary infection.

    • 10.3390/jcm11216272
    • 2022/11
    • J Clin Med. 2022 Nov; 11(21): 6272.
  4. However, the predicted median time to breakthrough infection following mRNA vaccination (29.6 mo after vaccination with BNT162b2 or mRNA-1273) is longer than the median time to reinfection following natural infection (21.5 mo) and longer than the median time to breakthrough infections following viral vector vaccination (20.5 or 22.4 mo after ...

  5. Oct 28, 2021 · Overall, the compiled study suggests that the duration of the humoral response to SARS-CoV-2 infection varies with age and disease severity. Neutralizing responses may be present for up to ONE ...

  6. May 30, 2021 · Considering the different mutations noted, it is uncertain if the vaccine will provide long-lasting immunity. Not only must the vaccines be tested against many of the new mutations, but also more studies are needed to investigate if the vaccine or infection can provide longer-lasting immune protection.

  7. May 25, 2022 · increased since the last immunity-conferring event; however, this protection was higher than that conferred after the same time had elapsed since receipt of a sec- ond dose of vaccine among ...