Only 4.3% of the global phase 3 trial participants recruited by the US firm were Asian, while the efficacy rate for the diverse ethnic group was 74.4%. ... 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.Dec 11, 2020
當時接受的看法是數據不足:
Pfizer clinical trial for Covid-19 vaccine lacks sufficient data on Asians: Report
Read more at: https://www.deccanherald.com/science-and-environment/pfizer-clinical-trial-for-covid-19-vaccine-lacks-sufficient-data-on-asians-report-926533.html