EUâs top drug regulator says itâs âfully functionalâ after cyberattack Attack will not affect delivery of the coronavirus vaccine, the agencyâs leader said By Elian Peltier New York Times,Updated December 10, 2020, 5:35 p.m. Email to a Friend A woman was given the Pfizer-BioNTech COVID-19 vaccine in Cardiff, Wales.Andrew Testa/NYT The European Unionâs top drug regulator, whose approval is necessary for countries of the bloc to begin rolling out the coronavirus vaccine, has begun an investigation after it was hit by a cyberattack, the head of the agency said Thursday. The attack will not affect the delivery of the vaccine, the agencyâs leader, Emer Cooke, said.