Covid-19 Vaccines Is Being Tested On Volunteers Pfizer And BioNTech

Corona Virus vaccine testing on volunteers

Corona Virus has become the more dominant all over the world, and more than 3 million infected cases of the coronavirus already have been reported and it has knocked down the almost 254000 death, but we won’t bow down in front of this and the ratio of the recovered person is 1184625 from this virus. … Read more