COVID-19 Vaccine Development Timeline
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资源简介：
Time series of vaccine development in 2020. Six series are available (by clinical trial phase and by in progress/completion status), aggregated from the <a href="https://www.dw.com/en/data/t-43091100">Deutsche Welle data journalism unit</a>'s record of COVID-19 vaccine trials. Time series provided in a flat file with separate documentation.
创建时间：
2021-01-01
