An approved vaccine for Covid-19 could be forthcoming, after the Pfizer/BioNTech vaccine candidate was reported to be more than 90% effective in preventing infection in volunteers. However, the next steps could be just as challenging. CNN's Anna Stewart reports on how global companies are preparing for storing, transporting and distributing millions of doses.


원문출처 : https://www.cnn.com/videos/business/2020/11/12/pfizer-coronavirus-covid-19-vaccine-logistics-distribution-stewart-pkg-intl-hnk-vpx.cnn