各位生物學統計學專家來看看。渣女白丁們就免了 |
送交者: 平平淡淡就是真 2020月11月09日06:20:00 於 [茗香茶語] 發送悄悄話 |
回 答: ~~~~~激動人心啊!~~~~~~~~~~~~~~~~~ 由 平平淡淡就是真 於 2020-11-09 05:55:47 |
The so-called interim analysis looked at the first 94 confirmed cases of Covid-19 among the more than 43,000 volunteers who got either two doses of the vaccine or a placebo. It found that fewer than 10% of infections were in participants who had been given the vaccine. More than 90% of the cases were in people who had been given a placebo. Pfizer said that the vaccine provided protection seven days after the second dose and 28 days after the initial dose of the vaccine. The final goal of the trial is to reach 164 confirmed cases of coronavirus infection. |
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