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Articles on COVID-19 infection

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The CDC expects the updated shots to be effective at preventing severe COVID-19, even in the face of new variants. Teka77/iStock via Getty Images Plus

CDC greenlights two updated COVID-19 vaccines, but how will they fare against the latest variants? 5 questions answered

Prakash Nagarkatti, University of South Carolina and Mitzi Nagarkatti, University of South Carolina

Only time and data will tell whether the CDC-recommended reformulated shots can stand their ground against the ever-changing SARS-CoV-2 variants.
Researchers are working to develop vaccines that provide long-term immune protection from COVID-19. Marko Geber/Digital Vision via Getty Images

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

Prakash Nagarkatti, University of South Carolina and Mitzi Nagarkatti, University of South Carolina

Because COVID-19 is a relatively new virus, researchers still aren’t sure exactly how long vaccines and prior infections provide protection.

Related Topics

  1. Centers for Disease Control and Prevention (CDC)
  2. Coronavirus vaccines
  3. COVID-19
  4. COVID-19 pandemic
  5. COVID-19 vaccines
  6. Food and Drug Administration (FDA)
  7. Omicron transmission
  8. Omicron variant

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