Штамм Дельта снижает эффективность вакцин в США: Только 66% Оставаться

Об этом сообщила компания Kuai Technology в августе. 29 что исследование, недавно опубликованное Центрами по контролю и профилактике заболеваний США, показало, что после того, как дельта-мутантный штамм COVID-19 стал «главной силой» эпидемии, общая эффективность одобренной в США вакцины от COVID-19 снизилась. Около одной трети.

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, из которых 94.7% were symptomatically infected; 2352 were fully vaccinated workers, из которых 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%. Однако, 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% а также 77.54%, соответственно, and the safety was good.

Источник: Fong Shun Financial Research Center