全球医学界正在以前所未有的速度和规模开发Covid-19疫苗, 而且,各个国家的政府对疫苗被释放并使用疫苗有很大的期望. 最近, 世界上正在开发的几种疫苗经常被报道. 上个月, 几种著名的疫苗宣布了III期临床试验的有效性; 十二月 2, the British government approved the use of COVID-19 vaccine developed by Pfizer and German biotechnology companies; Mardner also announced that it will test COVID-19 vaccine on children … Despite this, Nature pointed out in the report that this does not mean that the vaccine will be fully vaccinated soon. Before that, solving the problems of vaccine hesitation, supply logistics, distribution, pricing and payment will help clear the obstacles.
Pfizer Pharmaceuticals Co., 有限责任公司. announced on November 9 that the COVID-19 vaccine developed by Pfizer in cooperation with German Biotechnology Company was more than 90% effective in Phase III clinical trials. The Independent reported on November 26th that American pharmaceutical company Mardner announced that the candidate COVID-19 vaccine developed by them was more than 90% 有效的. 此外, Oxford University and AstraZeneca Company also claimed that the average curative effect of a candidate COVID-19 vaccine developed by them was 70.4%. Early studies have shown that these candidate vaccines can stimulate the immune response. The latest experiment proves that this immune response can protect people from COVID-19.