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Coronavirus vaccine: How Johnson & Johnson compares to other Covid-19 vaccines

  • Maureen Ferran *
  • The Conversation

3 mars 2021

Image caption,

The Johnson & Johnson vaccine requires only one dose.

The American Food and Drug Administration (FDA) this week authorized the use in adults of the COVID-19 vaccine developed in the Johnson & Johnson laboratories.

The main peculiarity of this vaccine is that, unlike others already in use, it works with a single dose.

Maureen Ferran, a virologist at the University of Rochester, explains how this vaccine, the third approved by the FDA, works and how it differs from those made by Pfizer-BioNTech and Moderna.

It is a viral vector vaccine.

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