Britain approved Pfizer vaccine for human.
Britain 🇬🇧 is the first country in the world who approved the corona vaccine in their country. Why Britain approved Pfizer corona vaccine in their country? Britain gives permission to Pfizer corona vaccine in their country because the Pfizer corona vaccine completed his trial phase and got success about 95% in their human trials. It is safe to use Pfizer corona vaccine? Yes off course because it protect human from corona about 95% and it also completed his all trail phase under rule and regulations.