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How A Shortage Of Sand (And Other Common Items) Could Delay A Coronavirus Vaccine

As laboratories across the globe scramble to make a COVID-19 vaccine, manufacturers face shortages of common ingredients and supplies. FiveThirtyEight’s senior science writer, Maggie Koerth, explores the unexpected shortages that could delay a vaccine.

Maggie Koerth was a senior reporter for FiveThirtyEight.

Anna Rothschild was FiveThirtyEight’s senior producer for video.


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