请问74.4%的出处是哪里?对亚裔是否有效的确没有足够数据支持的结论。对照组阳性个案太少。4.4%的比例的确不高,但也是第三位的了,排在欧裔和非裔后。非裔1300++多人也得不出明确结论。
中英文媒体里都有
https://www.livemint.com/science/news/covid-19-vaccine-pfizer-trial-lacks-asian-data-11607709392123.html
India has a very large and extremely heterogeneous population, and we need to know the efficacy on people across the country. Even the safety profile is unknown in such a diverse population. As we saw when Pfizer provided data on various ethnicities from its efficacy study, its mRNA vaccine had 74% efficacy among Asians and not the 95% seen overall. That tells you there are differences in efficacy, depending on ethnicity," said Davinder Gill, a vaccine expert based in Massachusetts, US, adding that vaccine developers need to conduct large scale trials in India as it is extremely diverse and heterogeneous.
India has a very large and extremely heterogeneous population, and we need to know the efficacy on people across the country. Even the safety profile is unknown in such a diverse population. As we saw when Pfizer provided data on various ethnicities from its efficacy study, its mRNA vaccine had 74% efficacy among Asians and not the 95% seen overall. That tells you there are differences in efficacy, depending on ethnicity," said Davinder Gill, a vaccine expert based in Massachusetts, US, adding that vaccine developers need to conduct large scale trials in India as it is extremely diverse and heterogeneous.
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