| 单词 | vaccine trial |
| 释义 | vaccine trial And they have all volunteered to be part of the vaccine trial. Times,Sunday Times This was particularly important in the vaccine trial. Times,Sunday Times More than 1,000 patients at 53 hospitals are to take part in the vaccine trial. Times, Sunday Times Scientists have still not seen the full data from the vaccine trials. Times,Sunday Times In one group with 40,000 members, posts falsely claimed it as proof that vaccine trials were unsafe and unreliable. Times,Sunday Times |
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