Skip to main content

Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

  • NEWS FEATURE

Six months of COVID vaccines: what 1.7 billion doses have taught scientists

At a pivotal moment in the pandemic, Nature explores key questions about the vaccines that countries are racing to deliver while viral variants spread around the globe.
  1. Heidi Ledford
    View author publications

    You can also search for this author in PubMed  Google Scholar

Two health workers carry a large crate containing COIVD-19 vaccines up a hill in Goma, Democratic Republic of Congo

A campaign to vaccinate people against COVID-19 in Goma, Democratic Republic of the Congo, in May. Credit: Guerchom Ndebo/Getty

Over the past six months, hundreds of millions of people around the world have rushed to follow in the footsteps of a 90-year-old British woman named Margaret Keenan.

Access options

Rent or buy this article

Prices vary by article type

from$1.95

to$39.95

Learn more

Prices may be subject to local taxes which are calculated during checkout

Nature 594, 164-167 (2021)

doi: https://doi.org/10.1038/d41586-021-01505-x

References

  1. Polack, F. P. et al. N. Engl. J. Med. 383, 2603–2615 (2020).

    Article  PubMed  Google Scholar 

  2. Moustsen-Helms, I. R. et al. Preprint at medRxiv https://doi.org/10.1101/2021.03.08.21252200 (2021).

  3. Haas, E. J. et al. Lancet 397, 1819–1829 (2021).

    Article  PubMed  Google Scholar 

  4. Public Health England. COVID-19 Vaccine Surveillance Report Week 20 (PHE, 2021).

    Google Scholar 

  5. Bernal, J. L. et al. Br. Med. J. 373, n1088 (2021).

    Article  Google Scholar 

  6. Frenck, R. W. et al. N. Engl. J. Med. https://doi.org/10.1056/NEJMoa2107456 (2021).

    Article  Google Scholar 

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

    Article  Google Scholar 

  8. Madhi, S. A. et al. N. Engl. J. Med. 384, 1885–1898 (2021).

    Article  PubMed  Google Scholar 

  9. Sadoff, J. et al. N. Engl. J. Med. https://doi.org/10.1056/NEJMoa2101544 (2021).

    Article  Google Scholar 

  10. Shinde, V. et al. N. Engl. J. Med. 384, 1899–1909 (2021).

    Article  PubMed  Google Scholar 

  11. Fischer, R. J. et al. Preprint at bioRxiv https://doi.org/10.1101/2021.03.11.435000 (2021).

  12. Bernal, J. L. et al. Preprint at https://go.nature.com/34rjcty (2021).

  13. Hall, V. J. et al. Lancet 397, 1459–1469 (2021).

    Article  PubMed  Google Scholar 

  14. Khoury, D. S. et al. Nature Med. https://doi.org/10.1038/s41591-021-01377-8 (2021).

    Article  Google Scholar 

  15. Wu, K. et al. Preprint at medRxiv https://doi.org/10.1101/2021.05.05.21256716 (2021).

  16. Levine-Tiefenbrun, M. et al. Nature Med. 27, 790–792 (2021).

    Article  PubMed  Google Scholar 

  17. Harris, R. J. et al. Preprint at https://go.nature.com/3yyxtm3 (2021).

  18. Shimabukuro, T. T., Cole, M. & Su, J. R. J. Am. Med. Assoc. 325, 1101–1102 (2021).

    Article  Google Scholar 

Download references

Subjects

Latest on:

Nature Careers

Jobs

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing

Search

Advanced search

Quick links