Kuai Technology는 8 월에보고되었습니다 29 최근 미국의 질병 통제 및 예방 센터에서 발표 한 연구에 따르면 COVID-19의 델타 돌연변이 균주가 전염병의 "주요 힘"이 된 것으로 나타났습니다., 미국에서 승인 된 COVID-19 백신의 전반적인 효과는 감소되었습니다.. 약 3 분의 1.
Researchers analyzed the vaccinations and infections of thousands of front-line anti-epidemic workers in the United States for multiple weeks since December 14, 2020. They have undergone nucleic acid testing every week. During the delta strain, 488 workers who were not vaccinated, 19 were infected, 그 중 94.7% were symptomatically infected; 2352 were fully vaccinated workers, 그 중 24 were infected, including symptomatic infections The proportion of participants is 75%.
Researchers analyzed that the overall effectiveness of Pfizer, Modena, and Johnson & Johnson vaccines in the United States was 66% in the face of the Delta strain, while the previously released effectiveness number was 91%. 하지만, the CDC did not disclose the severity of the disease after infection, especially those who have been vaccinated and then infected.
Just a few days ago, my country’s Chongqing Zhifei Biological released the effectiveness data of its recombinant COVID-19 vaccine. The overall protection rate is 81.76%. The protection rate for severe and above cases and death cases is 100%. The protection rates of the strains were 92.93% 그리고 77.54%, 각기, and the safety was good.
원천: Fong Shun Financial Research Center
