Pfizer Says Some Vaccine Documents Accessed in EMA Hack (4)

Pfizer Inc. said some documents it had submitted to Europe’s top drug regulator regarding its Covid-19 vaccine had been accessed in a cyber-attack on the agency.

The U.S. drugmaker and German partner BioNTech SE said in a statement they had been told by the European Medicines Agency that some documents relating to the regulatory submission for their experimental vaccine that had been stored on the EMA server had been unlawfully accessed.

The companies said that none of their systems had been breached in connection with the incident and that they are “unaware that any study participants have been identified through ...