BRUSSELS, April 1 (Reuters) - A Belgian court on Wednesday ordered Poland and Romania to take delivery of 1.9 billion euros ($2.2 billion) worth of COVID-19 vaccines made by Pfizer and BioNTech in a ...

An advantage of antibody-drug conjugates (ADCs) is that they allow targeted delivery of cytotoxic agents into tumors, thus improving the therapeutic index. Pfizer Inc. has developed a new ADC, ...