Companies Claim Booster Shots Of Pfizer And BioNTech Vaccine
The vaccine companies, Pfizer and BioNTech have made an announcement on Thursday that a phase three trial indicates that a booster dose of Pfizer and BioNTech COVID 19 vaccine has a success rate of as much as 95.6% against Coronavirus. Both the companies further claimed that the success ratio of their booster dose was consistent…