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Pfizer’s Covid-19 vaccine sounds promising. But logistics will probably be difficult – CNN Video

An accepted vaccine for Covid-19 might be forthcoming, after the Pfizer/BioNTech vaccine candidate was reported to be greater than 90% efficient in stopping an infection in volunteers. However, the following steps might be simply as difficult. CNN’s Anna Stewart stories on how international corporations are getting ready for storing, transporting and distributing thousands and thousands of doses.

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