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How many swimming pools full of vaccine do we need

Adding together the doses for everyone on the planet. Plus, pregnancy and the risk of clots.

If we brought together all the Covid 19 vaccine needed for the whole world, how much space would it fill up? An Olympic size swimming pool? We do some back of the envelope sums.

Plus - we look at the increased risk of clots from pregnancy. Last week we looked at the increased risk of getting a clot from taking the combined contraceptive pill and compared it to risk of possible rare clots identified following the Astra Zeneca jab. How does pregnancy compare?

(Swimming pool underwater. Credit: Evgenii Mitroshin/Getty images)

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9 minutes

Last on

Mon 19 Apr 2021 09:50GMT
BBC World Service

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Broadcasts

  • Sat 17 Apr 2021 04:50GMT
    BBC World Service except East Asia & South Asia
  • Sun 18 Apr 2021 13:50GMT
    BBC World Service
  • Sun 18 Apr 2021 21:50GMT
    BBC World Service except East Asia & South Asia
  • Mon 19 Apr 2021 02:50GMT
    BBC World Service South Asia & East Asia only
  • Mon 19 Apr 2021 09:50GMT
    BBC World Service

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