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Pfizer COVID vaccine protects against worrying coronavirus variants

Data from Qatar provide strongest evidence yet that COVID-19 vaccines can stop strains thought to pose a threat to immunization efforts.
  1. Ewen Callaway
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Qatar’s second wave of COVID-19 was a double whammy. In January, after months of relatively few cases and deaths, the Gulf nation saw a surge driven by the fast-spreading B.1.1.7 variant, which was first identified in the United Kingdom. Weeks later, the B.1.351 strain, which is linked to reinfections and dampened vaccine effectiveness, took hold.

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Nature 593, 325-326 (2021)

doi: https://doi.org/10.1038/d41586-021-01222-5

References

  1. Abu-Raddad, L. J. & Butt, A. A. N. Engl. J. Med. https://doi.org/10.1056/NEJMc2104974 (2021).

    Article  PubMed  Google Scholar 

  2. Shinde, V. et al. N. Engl. J. Med. https://doi.org/10.1056/NEJMoa2103055 (2021).

    Article  PubMed  Google Scholar 

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