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Tracking The Growing List Of COVID-19 Vaccine Developments09:50
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As the number of coronavirus infections worldwide surpasses 3 million, the hunt for a vaccine against COVID-19 grows ever more urgent. At least 13 potential vaccines are in development, with three already being tested in humans, but scientists say the public may have to wait months, if not a year or more.

Here & Now's Tonya Mosley speaks with Helen Branswell (@HelenBranswell), infectious diseases and global health reporter for STAT.

This segment aired on April 29, 2020.

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