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How long does protective immunity against COVID-19 last after infection or vaccination? Two immunologists explain

  • Written by Prakash Nagarkatti, Professor of Pathology, Microbiology and Immunology, University of South Carolina
How long does protective immunity against COVID-19 last after infection or vaccination? Two immunologists explainResearchers are working to develop vaccines that provide long-term immune protection from COVID-19. Marko Geber/Digital Vision via Getty Images

As the omicron variant of SARS-CoV-2 took hold across the globe in late 2021, it became readily apparent that the pandemic had entered a new phase. Having experienced a previous COVID-19 infection or being...

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