Pfizer, BioNTech start human coronavirus antibody preliminary in US Kumar Jeetendra | May 5, 2020 Pfizer Inc and BioNTech SE said on Tuesday they have started conveying dosages of their trial coronavirus antibodies for beginning human testing in the United States. The U.S. drugmaker and German accomplice said if the antibody ends up being protected and successful in preliminaries, it might be prepared for wide U.S. dissemination before the year’s …