Germany endorses human preliminaries of potential immunization by Pfizer, BioNTech Kumar Jeetendra | April 23, 2020 Pfizer Inc. furthermore, BioNTech SE made sure about endorsement for Germany’s first human clinical preliminaries of a potential coronavirus immunization, entering a worldwide race to build up a safeguard against the pandemic. Controllers gave the green light to test the organizations’ proposed immunization on 200 solid individuals matured 18 to 55 years in a first …